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When the bar magnet rotates what is changing in side the secondary coil? What is the...

When the bar magnet rotates what is changing in side the secondary coil?

What is the maximum induced emf of secondary coil by changing the cross section area of secondary coil to 100%?

What will happen to induced emf when the area of the secondary coil is increasing?

Discuss why the main power supply to your home is AC (alternating current) form?

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