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Electrical Method using an Alternative Current (a.c)
Electrical Method using an Alternative Current (a.c)
Procedure:
- Connect the solenoid to an alternating current (a.c) supply.
- Place the magnet inside the solenoid
- Switch on a.c supply
- Slowly withdraw the magnet in East-West direction until it is some distance away from the solenoid while a.c. current still on.
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