Mathematics · Aptitude
A square loop of side 2.0 cm is placed inside a long solenoid that has 50 turns per centimetre and carries a sinusoidally varying current of amplitude 2.5 A and angular frequency 700 rad s-1. The central axes of the loop and solenoid coincide. If the amplitude of the emf induced in the loop is x × 10-4 V, then the value of x is: (Take π = 227)
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