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In a car spark coil an e.m.f. of 40000 v...

In a car spark coil an e.m.f. of `40000` volts is induced in a secondary when the primary current changes from `4A` to `0` in `10 mu s`. The mutual inductance between the primary and secondary winding of this spark coil is `(nxx(1)/(10))` henry, then `n=`

A

`1`

B

`100`

C

`1000`

D

`10000`

Text Solution

Verified by Experts

The correct Answer is:
A
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