First slide
Faraday's law of Electromagnetic induction
Question

A closed loop made up of insulating material, having cross-sectional area 10cm2 is placed in a varying magnetic field which is increasing at the rate of 10T/s. The plane of the loop is perpendicular to magnetic field. Calculate the induced emf and induced current.

 

Moderate
Solution

ε=dt=AdBdt=10×104×10V=102Vloopisofinsulatingmaterial,i=0

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