A coil having an area `A_(0)` is placed in a magnetic field which changes from `B_(0)` to `4B_(0)` in time interval t. The emf induced in the coil will beA. `3A_(0)B_(0)//t`B. `4A_(0)B_(0)//t`C. `3B_(0)//A_(0)t`D. `4B_(0)//A_(0)t`

A coil having an area `A_(0)` is placed in a magnetic field which chan

1.	A coil having an area `A_(0)` is placed in a magnetic field which changes from `B_(0)` to `4B_(0)` in time interval t. The emf induced in the coil will beA. `3A_(0)B_(0)//t`B. `4A_(0)B_(0)//t`C. `3B_(0)//A_(0)t`D. `4B_(0)//A_(0)t`
Answer» Correct Answer - A As, `\|e\|=(Deltaphi)/(Deltat)=(4B_(0)A_(0)-B_(0)A_(0))/(t)=(3B_(0)A_(0))/(t)`

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A coil having an area `A_(0)` is placed in a magnetic field which changes from `B_(0)` to `4B_(0)` in time interval t. The emf induced in the coil will beA. `3A_(0)B_(0)//t`B. `4A_(0)B_(0)//t`C. `3B_(0)//A_(0)t`D. `4B_(0)//A_(0)t`

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