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2. Magnetic Effects of Electric Current
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Q32 of 238 Page 103

An electric generator converts:

An electric generator converts mechanical energy into electrical energy.

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30

Each one of the following changes will increase e.m.f. (or voltage) in a simple generator except:

31

The north pole of a long bar magnet was pushed slowly into a short solenoid connected to a galvanometer. The magnet was held stationary for a few seconds with the north pole in the middle of the solenoid and then withdrawn rapidly. The maximum deflection of the galvanometer was observed when the magnet was:

33

A d.c. generator is based on the principle of:

34

An induced current is produced when a magnet is moved into a coil. The magnitude of induced current does not depend on :

Questions · 238
2. Magnetic Effects of Electric Current
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