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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 area `2.0cm^(2)` placed inside the solenoid normal to its axis. If the current carried by the solenoid changed steadiy from 2.0A to 4.0A in 0.1 s, what is the induced emf in the loop while the current is changing?

Text Solution

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`7.5xx10^(-6)V`
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Knowledge Check

  • An emf of 12 V.is induced when the current in the coil changes from 2A to 6A in 0.5s. The coefficient of self inductance of the coil is:

    A
    1.5 H
    B
    6 H
    C
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    D
    3 OH

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