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Shows a coil placed in a decreasing magn...

Shows a coil placed in a decreasing magnetic field applied perpendicular to the plane of the coil. The magnetic field is decreasing at a rate of `10 T s^(-1)`. Find out current in magnitude and direction of current.

Text Solution

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`phi=B.Aimplies` emf`=A*(dB)/(dt)=2xx10=20V`
`:. i=20//5=4`amp. From Lenz's law direction of current will be anticlockwise.
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