Question a solenoidal coil with 25 turns of wire is wound, Ask an Expert

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Question: A solenoidal coil with 25 turns of wire is wound tightly aroundanother coil with 300 turns. The inner solenoid is 25.0 cm long andhas a diameter of 2.00 cm. At a certain time, the current in theinner solenoid is 0.120 A and is increasing at a rate of1.75x103A/s. For this time, calculate;

a) the average magnetic flux through each turn of the innersolenoid;

b) the mutual inductance of the two solenoids;

c) the emf induced in the outer solenoid by the changing current inthe inner solenoid

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Category:- Physics
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