A solenoid 1.0 m long and 0.05 m in diameter, has 700 turns. Another solenoid of 50 turns is tightly wound over the first solenoid. Find (i) the mutual inductance of the two solenoinds and (ii) the induced emf in the second solenoid, when the current in the first changes from 0 to 5.0 A in 0.01 s

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Correct Answer - `0.86muH,4.3xx10^(-4)`V

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