A square loop of side 2.0 cm is placed inside a long solenoid that has 50 turns per centimeter 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. The amplitude of the emf induced in the loop is x × × 10 -4 V. The value of x is___________ 
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It is given that the current is varying sinusoidally. The current can be write
. The magnetic field through the solenoid 
The flux through the square is 
The emf is
The amplitude of the emf is,
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