Magnetic Coil

Mar 30
2010

SQUARE D 9998 L44 9998L44 MAGNET COIL 120 Volt 60 Hz 110 Volt 50 Hz
SQUARE D 9998 L44 9998L44 MAGNET COIL 120 Volt 60 Hz 110 Volt 50 Hz
$25.80
Time Remaining: 29d 8h 7m
Buy It Now for only: $25.80

220V Coil 3A 15KW Motor Magnetic Starter w Red Green Lamp Push Button Switch
220V Coil 3A 15KW Motor Magnetic Starter w Red Green Lamp Push Button Switch
$51.14
Time Remaining: 1h 4m

Momentary Push Button Enclosed Magnetic Motor Starter 24V Coil 5A 22KW
Momentary Push Button Enclosed Magnetic Motor Starter 24V Coil 5A 22KW
$53.34
Time Remaining: 1h 19m

Square D 120V Magnet Coil 31074 400 38 for Size 3 Starter Contactor Type SE NEW
Square D 120V Magnet Coil 31074 400 38 for Size 3 Starter Contactor Type SE NEW
$82.00
Time Remaining: 2d 4h 46m
Buy It Now for only: $82.00

Momentary Push Button Switch Enclosed Magnetic Motor Starter 220V Coil 13A 55KW
Momentary Push Button Switch Enclosed Magnetic Motor Starter 220V Coil 13A 55KW
$61.05
Time Remaining: 1h 38m

68 11A Setting Amp 3 Phase AC Contactor Motor Magnetic Starter 36V Coil
68 11A Setting Amp 3 Phase AC Contactor Motor Magnetic Starter 36V Coil
$52.82
Time Remaining: 59m

SQD AC MAGNETIC SIZE 1 STARTER 8536 SC03V02S 120V COIL
SQD AC MAGNETIC SIZE 1 STARTER 8536 SC03V02S 120V COIL
$225.00
Time Remaining: 27d 18h 20m
Buy It Now for only: $225.00

220V Coil 6A 3KW 3 Phase Motor Magnetic Starter w Pushbutton Switch
220V Coil 6A 3KW 3 Phase Motor Magnetic Starter w Pushbutton Switch
$53.12
Time Remaining: 2h 10m

11KW 14 22A Setting Amp 3 Phase AC Contactor Motor Magnetic Starter 380V Coil
11KW 14 22A Setting Amp 3 Phase AC Contactor Motor Magnetic Starter 380V Coil
$62.93
Time Remaining: 1h 5m

Siemens WS25 230 3 Phase 20 HP Magnetic Starter NEMA 1 Enclosure 208 240V Coil
Siemens WS25 230 3 Phase 20 HP Magnetic Starter NEMA 1 Enclosure 208 240V Coil
$206.99
Time Remaining: 7d 1h 21m
Buy It Now for only: $206.99

10 16A 24V Coil 55KW Motor Magnetic Starter w Red Green Push Button Switch
10 16A 24V Coil 55KW Motor Magnetic Starter w Red Green Push Button Switch
$58.91
Time Remaining: 1h 53m

Momentary Push Button Enclosed Magnetic Motor Starter 380V Coil 5A 22KW
Momentary Push Button Enclosed Magnetic Motor Starter 380V Coil 5A 22KW
$53.07
Time Remaining: 2h 32m

BRAND NEW MAGNETIC COIL FITS CUTLER HAMMER WESTINGHOUSE 505C806G12 240V
BRAND NEW MAGNETIC COIL FITS CUTLER HAMMER WESTINGHOUSE 505C806G12 240V
$39.99
Time Remaining: 10d 19h 10m
Buy It Now for only: $39.99

45 72A Setting Amp 3 Phase AC Contactor Motor Magnetic Starter 24V Coil
45 72A Setting Amp 3 Phase AC Contactor Motor Magnetic Starter 24V Coil
$53.11
Time Remaining: 1h 21m

Momentary Push Button Enclosed Magnetic Motor Starter 220V Coil 5A 22KW
Momentary Push Button Enclosed Magnetic Motor Starter 220V Coil 5A 22KW
$51.47
Time Remaining: 2h 58m

New Furnas 75D70545004 Magnetic Coil 440 480V 60 Hz
New Furnas 75D70545004 Magnetic Coil 440 480V 60 Hz
$39.95
Time Remaining: 16d 20h 36m
Buy It Now for only: $39.95

Momentary Push Button Enclosed Magnetic Motor Starter 380V Coil 5A 22KW
Momentary Push Button Enclosed Magnetic Motor Starter 380V Coil 5A 22KW
$50.27
Time Remaining: 1h 56m

CUTLER HAMMER STARTER MAGNETIC MAGNET COIL 120V 1891 1
CUTLER HAMMER STARTER MAGNETIC MAGNET COIL 120V 1891 1
$6.00 (2 Bids)
Time Remaining: 20h 23m

New Square D 4323 S1 W35B Magnet Coil
New Square D 4323 S1 W35B Magnet Coil
$5.50
Time Remaining: 2d 22h 16m
Buy It Now for only: $5.50

Momentary Push Button Enclosed Magnetic Motor Starter 36V Coil 9A 4KW Power
Momentary Push Button Enclosed Magnetic Motor Starter 36V Coil 9A 4KW Power
$52.12
Time Remaining: 3h 55m

NEW FURNAS MAGNETIC COIL 75D73070F
NEW FURNAS MAGNETIC COIL 75D73070F
$68.00
Time Remaining: 4d 21h 7m
Buy It Now for only: $68.00

36V Coil 6A 3KW Motor Magnetic Starter w Red Green Lamp Push Button Switch
36V Coil 6A 3KW Motor Magnetic Starter w Red Green Lamp Push Button Switch
$53.37
Time Remaining: 4h 20m

Momentary Push Button Switch Enclosed Magnetic Motor Starter 24V Coil 18A 75KW
Momentary Push Button Switch Enclosed Magnetic Motor Starter 24V Coil 18A 75KW
$65.03
Time Remaining: 4h 20m

Furnas Size 1 magnetic starter NEMA 1 enclosure start stop w pilot 208 240 coil
Furnas Size 1 magnetic starter NEMA 1 enclosure start stop w pilot 208 240 coil
$40.00
Time Remaining: 10d 21h 34m
Buy It Now for only: $40.00

Momentary Push Button Enclosed Magnetic Motor Starter 24V Coil 6A 3KW Power
Momentary Push Button Enclosed Magnetic Motor Starter 24V Coil 6A 3KW Power
$53.06
Time Remaining: 4h 24m

68 11A Setting Amp 3 Phase AC Contactor Motor Magnetic Starter 36V Coil
68 11A Setting Amp 3 Phase AC Contactor Motor Magnetic Starter 36V Coil
$52.82
Time Remaining: 1h 55m

Square D 31074 400 16 Magnet Coil for Size 3 24V
Square D 31074 400 16 Magnet Coil for Size 3 24V
$89.00
Time Remaining: 13d 17h 12m
Buy It Now for only: $89.00

Momentary Push Button Switch Enclosed Magnetic Motor Starter 220V Coil 22A
Momentary Push Button Switch Enclosed Magnetic Motor Starter 220V Coil 22A
$68.32
Time Remaining: 4h 52m

Momentary Push Button Switch Enclosed Magnetic Motor Starter 220V Coil 13A 55KW
Momentary Push Button Switch Enclosed Magnetic Motor Starter 220V Coil 13A 55KW
$62.52
Time Remaining: 4h 57m

Square D 31041 400 20 Contactor Magnetic Coil 24V 60Hz
Square D 31041 400 20 Contactor Magnetic Coil 24V 60Hz
$49.95
Time Remaining: 16d 23h 9m
Buy It Now for only: $49.95

220V Coil 11KW 22A Motor Magnetic Starter w Green Red Push Button Switch
220V Coil 11KW 22A Motor Magnetic Starter w Green Red Push Button Switch
$66.58
Time Remaining: 4h 19m

68 11A Setting Amp 3 Phase AC Contactor Motor Magnetic Starter 220V Coil
68 11A Setting Amp 3 Phase AC Contactor Motor Magnetic Starter 220V Coil
$53.37
Time Remaining: 2h 6m

Square D 31091 400 47 Magnet Coil 220 240V NEW
Square D 31091 400 47 Magnet Coil 220 240V NEW
$100.00
Time Remaining: 20d 3h 45m
Buy It Now for only: $100.00

Momentary Push Button Switch Enclosed Magnetic Motor Starter 36V Coil 22A 11KW
Momentary Push Button Switch Enclosed Magnetic Motor Starter 36V Coil 22A 11KW
$66.32
Time Remaining: 6h 17m

Cutler Hammer Starter Magnetic Magnet 480V Coil 1891 3 LNC
Cutler Hammer Starter Magnetic Magnet 480V Coil 1891 3 LNC
$6.10 (2 Bids)
Time Remaining: 20h 2m

NEW ARROW HART 32132 24 Magnet Coil 110 120 Volt 60C
NEW ARROW HART 32132 24 Magnet Coil 110 120 Volt 60C
$24.80
Time Remaining: 6d 7h 22m
Buy It Now for only: $24.80

Momentary Push Button Switch Enclosed Magnetic Motor Starter 36V Coil 22A 11KW
Momentary Push Button Switch Enclosed Magnetic Motor Starter 36V Coil 22A 11KW
$66.32
Time Remaining: 3h 33m

Momentary Push Button Enclosed Magnetic Motor Starter 36V Coil 3A 15KW Power
Momentary Push Button Enclosed Magnetic Motor Starter 36V Coil 3A 15KW Power
$52.18
Time Remaining: 7h 29m

NEW S+S SPRECHER+SCHUH MAGNETIC CONTACTOR CA7 12 10 ALL AC COIL AVAILABLE
NEW S+S SPRECHER+SCHUH MAGNETIC CONTACTOR CA7 12 10 ALL AC COIL AVAILABLE
$24.99
Time Remaining: 5d 20h 16m
Buy It Now for only: $24.99

Momentary Push Button Switch Enclosed Magnetic Motor Starter 24V Coil 22A
Momentary Push Button Switch Enclosed Magnetic Motor Starter 24V Coil 22A
$69.80
Time Remaining: 7h 18m

Square D Magnet Coil C1861S1R35B C1861 S1 R35B 1861
Square D Magnet Coil C1861S1R35B C1861 S1 R35B 1861
$20.00
Time Remaining: 21d 16h 1m
Buy It Now for only: $20.00

Momentary Push Button Enclosed Magnetic Motor Starter 380V Coil 9A 4KW Power
Momentary Push Button Enclosed Magnetic Motor Starter 380V Coil 9A 4KW Power
$52.14
Time Remaining: 8h 15m

Momentary Push Button Enclosed Magnetic Motor Starter 380V Coil 5A 22KW
Momentary Push Button Enclosed Magnetic Motor Starter 380V Coil 5A 22KW
$51.67
Time Remaining: 8h 53m

SQD FORE SIZE 000 1 120V AC MAGNETIC COIL 31041 400 42 TESTED RECONDITIONED A1
SQD FORE SIZE 000 1 120V AC MAGNETIC COIL 31041 400 42 TESTED RECONDITIONED A1
$9.99
Time Remaining: 26d 23h 33m
Buy It Now for only: $9.99

24V Coil 11KW 22A Motor Magnetic Starter w Green Red Push Button Switch
24V Coil 11KW 22A Motor Magnetic Starter w Green Red Push Button Switch
$67.89
Time Remaining: 9h 12m

36V Coil 9A 4KW Motor Magnetic Starter w Red Green Lamp Push Button Switch
36V Coil 9A 4KW Motor Magnetic Starter w Red Green Lamp Push Button Switch
$51.42
Time Remaining: 9h 14m

Siemens 3RT1024 1B Magnetic Contactor 24VDC Coil With Auxiliary Contacts
Siemens 3RT1024 1B Magnetic Contactor 24VDC Coil With Auxiliary Contacts
$21.99
Time Remaining: 16d 20h 4m
Buy It Now for only: $21.99

Momentary Push Button Enclosed Magnetic Motor Starter 380V Coil 9A 4KW Power
Momentary Push Button Enclosed Magnetic Motor Starter 380V Coil 9A 4KW Power
$50.53
Time Remaining: 5h 22m

Momentary Push Button Enclosed Magnetic Motor Starter 380V Coil 3A 15KW
Momentary Push Button Enclosed Magnetic Motor Starter 380V Coil 3A 15KW
$49.08
Time Remaining: 4h

Siemens Furnas 75D70152012 Magnetic Coil 240V 60HZ
Siemens Furnas 75D70152012 Magnetic Coil 240V 60HZ
$15.95
Time Remaining: 6d 21h 21m
Buy It Now for only: $15.95

24V Coil 9A 4KW Motor Magnetic Starter w Red Green Lamp Push Button Switch
24V Coil 9A 4KW Motor Magnetic Starter w Red Green Lamp Push Button Switch
$50.38
Time Remaining: 7h 6m

45 72A Setting Amp 3 Phase AC Contactor Motor Magnetic Starter 24V Coil
45 72A Setting Amp 3 Phase AC Contactor Motor Magnetic Starter 24V Coil
$53.10
Time Remaining: 3h 59m

Square D Magnet Coil S1861S1R32B S1861 S1 R32B 208 220V 60CY
Square D Magnet Coil S1861S1R32B S1861 S1 R32B 208 220V 60CY
$20.00
Time Remaining: 21d 16h 31m
Buy It Now for only: $20.00

Momentary Push Button Enclosed Magnetic Motor Starter 220V Coil 5A 22KW
Momentary Push Button Enclosed Magnetic Motor Starter 220V Coil 5A 22KW
$50.02
Time Remaining: 7h 51m

Momentary Push Button Switch Enclosed Magnetic Motor Starter 220V Coil 13A 55KW
Momentary Push Button Switch Enclosed Magnetic Motor Starter 220V Coil 13A 55KW
$61.10
Time Remaining: 8h 7m

GE CR353AB2A1 25A 240 480 600V 2P Magnetic Contactor 24V Coil
GE CR353AB2A1 25A 240 480 600V 2P Magnetic Contactor 24V Coil
$18.95
Time Remaining: 29d 22h 46m
Buy It Now for only: $18.95

45 72A Setting Amp 3 Phase AC Contactor Motor Magnetic Starter 36V Coil
45 72A Setting Amp 3 Phase AC Contactor Motor Magnetic Starter 36V Coil
$50.57
Time Remaining: 2h 52m

220V Coil 75KW 18A Motor Magnetic Starter w Red Green Push Button Switch
220V Coil 75KW 18A Motor Magnetic Starter w Red Green Push Button Switch
$61.56
Time Remaining: 9h 3m

GREAT CONTACTSSquare D SIZE 4 8536 8536SF01 208v COIL MAGNETIC STARTER INV1278
GREAT CONTACTSSquare D SIZE 4 8536 8536SF01 208v COIL MAGNETIC STARTER INV1278
$444.71
Time Remaining: 15d 2h 30m
Buy It Now for only: $444.71

NICE Allen Bradley 509 DOD Size 3 Magnetic Motor Starter 120 volt Coil
NICE Allen Bradley 509 DOD Size 3 Magnetic Motor Starter 120 volt Coil
$99.99
Time Remaining: 1d 17m
Buy It Now for only: $199.99

Square D Magnet Coil 2936S1C27A 2936 S1 C27A
Square D Magnet Coil 2936S1C27A 2936 S1 C27A
$20.00
Time Remaining: 20d 18h 22m
Buy It Now for only: $20.00

68 11A Setting Amp 3 Phase AC Contactor Motor Magnetic Starter 380V Coil
68 11A Setting Amp 3 Phase AC Contactor Motor Magnetic Starter 380V Coil
$50.64
Time Remaining: 5h 57m

Furnas magnetic coil 75D70233H new in box Siemans for DP Model F contactor
Furnas magnetic coil 75D70233H new in box Siemans for DP Model F contactor
$9.99
Time Remaining: 2h 15m

Furnas Siemens 75D73070E Magnetic Coil 550 600 V NIB
Furnas Siemens 75D73070E Magnetic Coil 550 600 V NIB
$46.50
Time Remaining: 19d 15h 54m
Buy It Now for only: $46.50

75KW 14 22A Setting Amp 3 Phase AC Contactor Motor Magnetic Starter 36V Coil
75KW 14 22A Setting Amp 3 Phase AC Contactor Motor Magnetic Starter 36V Coil
$61.30
Time Remaining: 9h 1m

NEW FURNAS MAGNETIC COIL 75D54822J 24V 1 10 4 73
NEW FURNAS MAGNETIC COIL 75D54822J 24V 1 10 4 73
$9.99
Time Remaining: 3h 22m

COMBINED SHIPPING FITS ABB EH700 EH 800A MAGNETIC CONTACTOR AVAILBLE ALL AC COIL
COMBINED SHIPPING FITS ABB EH700 EH 800A MAGNETIC CONTACTOR AVAILBLE ALL AC COIL
$999.99
Time Remaining: 28d 13h 38m
Buy It Now for only: $999.99

Momentary Push Button Switch Enclosed Magnetic Motor Starter 380V Coil 22A 11KW
Momentary Push Button Switch Enclosed Magnetic Motor Starter 380V Coil 22A 11KW
$70.37
Time Remaining: 51m

45 72A 220V Coil Motor Magnetic Starter w Red Green Lamp Push Button Switch
45 72A 220V Coil Motor Magnetic Starter w Red Green Lamp Push Button Switch
$53.39
Time Remaining: 54m

Allen Bradley 30A01 Magnetic Starter Coil 110 Volt
Allen Bradley 30A01 Magnetic Starter Coil 110 Volt
$5.40
Time Remaining: 3d 19h 48m
Buy It Now for only: $5.40

220V Coil 9A 4KW Motor Magnetic Starter w Red Green Lamp Push Button Switch
220V Coil 9A 4KW Motor Magnetic Starter w Red Green Lamp Push Button Switch
$53.37
Time Remaining: 54m

220V Coil 5A 22KW 3 Phase AC Contactor Push Button Motor Magnetic Starter
220V Coil 5A 22KW 3 Phase AC Contactor Push Button Motor Magnetic Starter
$53.35
Time Remaining: 59m

Cutler Hammer 9 1513 2 Magnet Coil 230V DC Starter Nos
Cutler Hammer 9 1513 2 Magnet Coil 230V DC Starter Nos
$25.00
Time Remaining: 3d 20h 6m
Buy It Now for only: $25.00

Momentary Push Button Switch Enclosed Magnetic Motor Starter 24V Coil 22A
Momentary Push Button Switch Enclosed Magnetic Motor Starter 24V Coil 22A
$69.81
Time Remaining: 59m

380V Coil Three Phase 4 NO AC Contactor 13A Relay Motor Magnetic Starter
380V Coil Three Phase 4 NO AC Contactor 13A Relay Motor Magnetic Starter
$49.48
Time Remaining: 53m

Eaton Cutler Hammer Citation Magnetic Coil 9 1887 1
Eaton Cutler Hammer Citation Magnetic Coil 9 1887 1
$25.49
Time Remaining: 8d 23h 33m
Buy It Now for only: $25.49

127V Coil 9A Thermal Relay Red Green Push Button Motor Magnetic Starter
127V Coil 9A Thermal Relay Red Green Push Button Motor Magnetic Starter
$48.61
Time Remaining: 1h

380V Coil 5A 22KW 3 Phase AC Contactor Push Button Motor Magnetic Starter
380V Coil 5A 22KW 3 Phase AC Contactor Push Button Motor Magnetic Starter
$52.11
Time Remaining: 1h 7m

Square D Magnet Coil 1861 S1 R29B 1861S1R29B 120V
Square D Magnet Coil 1861 S1 R29B 1861S1R29B 120V
$20.00
Time Remaining: 21d 17h 27m
Buy It Now for only: $20.00

380V Coil Three Phase Enclosed AC Magnetic Motor Starter 125 18A Relay
380V Coil Three Phase Enclosed AC Magnetic Motor Starter 125 18A Relay
$38.23
Time Remaining: 54m

Square D Magnet Coil 31041 400 20 3104140020 SIZE 0 24V
Square D Magnet Coil 31041 400 20 3104140020 SIZE 0 24V
$50.00
Time Remaining: 25d 17h 43m
Buy It Now for only: $50.00

68 11A 110V Coil Motor Magnetic Starter w Red Green Lamp Push Button Switch
68 11A 110V Coil Motor Magnetic Starter w Red Green Lamp Push Button Switch
$52.79
Time Remaining: 51m

220V Coil 5A 22KW 3 Phase AC Contactor Push Button Motor Magnetic Starter
220V Coil 5A 22KW 3 Phase AC Contactor Push Button Motor Magnetic Starter
$52.39
Time Remaining: 1h 5m

Square D Magnet Coil S2183S44Q33B S2183 S44 Q33B
Square D Magnet Coil S2183S44Q33B S2183 S44 Q33B
$20.00
Time Remaining: 21d 16h 23m
Buy It Now for only: $20.00

Lot of 2 Square D 31074 400 38 Magnet Coil For Type S Size 3
Lot of 2 Square D 31074 400 38 Magnet Coil For Type S Size 3
$135.84
Time Remaining: 6d 22h 35m

36V Coil NO AC Contactor 6A Thermal Relay Enclosed Motor Magnetic Starter
36V Coil NO AC Contactor 6A Thermal Relay Enclosed Motor Magnetic Starter
$47.61
Time Remaining: 1h 15m

AFTERMARKET REPLACEMENT MAGNETIC COIL FITS GE 15D22G024
AFTERMARKET REPLACEMENT MAGNETIC COIL FITS GE 15D22G024
$39.99
Time Remaining: 13d 41m
Buy It Now for only: $39.99

55KW 10 16A Setting Amp 3 Phase AC Contactor Motor Magnetic Starter 220V Coil
55KW 10 16A Setting Amp 3 Phase AC Contactor Motor Magnetic Starter 220V Coil
$61.08
Time Remaining: 1h 6m

Momentary Push Button Switch Enclosed Magnetic Motor Starter 24V Coil 18A 75KW
Momentary Push Button Switch Enclosed Magnetic Motor Starter 24V Coil 18A 75KW
$62.54
Time Remaining: 2h 13m

Square D 440 Volt Magnetic Coil 2510 S1 W35B NIB
Square D 440 Volt Magnetic Coil 2510 S1 W35B NIB
$25.49
Time Remaining: 2d 21h 59m
Buy It Now for only: $25.49

Momentary Push Button Switch Enclosed Magnetic Motor Starter 24V Coil 22A
Momentary Push Button Switch Enclosed Magnetic Motor Starter 24V Coil 22A
$67.89
Time Remaining: 2h 23m

380V Coil 22KW Motor Magnetic Starter w Red Green Lamp Push Button Switch
380V Coil 22KW Motor Magnetic Starter w Red Green Lamp Push Button Switch
$52.09
Time Remaining: 1h 36m

NEW GE SPRECHER SCHUH MAGNETIC COIL 24V DC 22601305 66 CR4XC1AL CA3 23 CA3 30
NEW GE SPRECHER SCHUH MAGNETIC COIL 24V DC 22601305 66 CR4XC1AL CA3 23 CA3 30
$29.99
Time Remaining: 16d 21h 19m
Buy It Now for only: $29.99

380V Coil 75KW 18A Motor Magnetic Starter w Red Green Push Button Switch
380V Coil 75KW 18A Motor Magnetic Starter w Red Green Push Button Switch
$63.35
Time Remaining: 1h 35m

Momentary Push Button Switch Enclosed Magnetic Motor Starter 110V Coil 13A
Momentary Push Button Switch Enclosed Magnetic Motor Starter 110V Coil 13A
$65.28
Time Remaining: 2h

ALLEN BRADLEY 32A01 MAGNETIC COIL 110V 60CY
ALLEN BRADLEY 32A01 MAGNETIC COIL 110V 60CY
$8.09
Time Remaining: 17d 4h 15m
Buy It Now for only: $8.09

Square D Magnet Coil 31041 400 51 3104140051 New in Package
Square D Magnet Coil 31041 400 51 3104140051 New in Package
$28.00
Time Remaining: 2d 15h 28m
Buy It Now for only: $40.00

36V Coil NO AC Contactor 6A Thermal Relay Enclosed Motor Magnetic Starter
36V Coil NO AC Contactor 6A Thermal Relay Enclosed Motor Magnetic Starter
$47.39
Time Remaining: 1h 19m

New Square D 4323 S1 W38A Magnet Coil
New Square D 4323 S1 W38A Magnet Coil
$9.75
Time Remaining: 2d 22h 8m
Buy It Now for only: $9.75

75KW 14 22A Setting Amp 3 Phase AC Contactor Motor Magnetic Starter 24V Coil
75KW 14 22A Setting Amp 3 Phase AC Contactor Motor Magnetic Starter 24V Coil
$62.54
Time Remaining: 2h 13m

Magnetic Coil
Magnetic Coil

Magnet and Its Applications

As the world is advancing towards a new technological era, more and more new inventions are being made. Even though all inventions are considered in one way or another, the invention of magnet is considered the greatest achievement of mankind. Magnet has made transportation and power and energy generation a much easier and effective process.

What is a magnet?

A magnet is basically a material or an object that creates a magnetic field around itself and attracts ferromagnetic materials like iron and attracts or repels other magnets. The earliest existence of magnets was around 2500 years ago in India, China and Greece. By the 12th and 13th centuries, magnets were being used extensively in several Asian and European countries in the form of magnetic compasses.

Magnets are available in several shapes and sizes and are used for home as well as industrial uses. The two major varieties of magnets are electromagnets and permanent magnets. Electromagnets generally consist of a coil wire that behaves as a magnet when an electric current passes through it. Permanent magnet on the other hand, is created from a magnetic material that is having a persistent magnetic field.

Magnets have gained immense popularity and is nowadays used in a host of application areas. All the major activities, whether industrial or otherwise, are undertaken with the use of magnets and due to high dependency on the use of magnets, their absence will be conspicuous. It would be quite right to say that magnets are crucial for the subsistence of the contemporary world.

Magnets are used for a variety of purposes and have various applications.

  • Magnets are used extensively in floppy disks, cassettes and hard disks. Magnets, due to their property of attracting a multitude of things, are produced in the form of thin coating films on which data is stored or recorded.
  • Magnets serve a variety of industrial purposes. They are used in industrial equipment like separators, sweepers, pullers, conveyors and welding devices besides others.
  • Magnets are also used widely in magnetic therapy devices that include magnetic waist belts, magnetic massager, knee magnets and magnetic mattresses, etc.
  • Credit, Debit and ATM cards have magnetic strips on one side that encodes the information about the individual and his account and bank details.
  • The use of magnets is also common in speaker and microphones.
  • Electronics motors and generators also work with the use of magnets.
  • Another extensive use of magnets is in the health sector. Hospitals use Magnetic Resonance Techniques (MRI) to scan various organs in the human body and for surgical purposes.
  •  Household equipment like headphones, telephones, television, refrigerators, water pumps, etc. also make use of magnets.
  • Magnets are also used in a variety of jewelry items like bracelets, earrings, pendants and necklaces.
  • Other uses of magnets include uses in tools, toys, science projects, vinyl magnet sheets, compasses, fail-safe devices, etc.

Please Visit URL: http://www.jupitermagnetics.com

About the Author

Jupiter Magnetics established in 1969 and company engage in manufacturing of industrial magnetic separators, magnetic lifters, plate magnets, magnetic tubes, lifting magnets, magnetic filters and other products in India.
Please Visit Our Website: http://www.jupitermagnetics.com

Two coils of wire are identical except that coil A has twice as many turns of wire as coil B. If a magnetic?

Two coils of wire are identical except that coil A has twice as many turns of wire as coil B. If a magnetic field increases with time at the same rate through both coils, which coil (if either) has the larger induced voltage? Explain.

Assuming that the overall dimensions of the coil assembly were the same, coil A would have twice the number of turns to produce a magnetic field twice as strong as coil B for the same current, or twice the change in current for the same rate of change. Coil A would also have twice the number of turns to couple this rate of change back into a voltage to buck the change in the magnetic field. Hence coil A would have the greater induced voltage.

Electric Magnetic Coil Engine

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