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A long solenoid with 15 turns per cm has...

A long solenoid with 15 turns per cm has a small loop of area `2.0 "cm"^2` placed inside the solenoid normal to its axis. If the current carried by the solenoid changes steadily from 2.0 A to 4.0 A in 0.1 s, what is the induced emf in the loop while the current is changing ?

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`7.5 xx 10^(-6) V`
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