Question

A solenoid has 2000 turns wound over a length of
0.3 m. The area of cross-section is 1.2 x 10^-3 m^2.
Around its central section a coil of 300 turns is closely
wound. If an initial current of 2 A is reversed in 0.25 s,
find the emf induced in the coil.​

Answer 1

Explanation:

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