Homework Answers
Induced EMF IS - E = E = − d Φ / d t ,where Φ is FLUX which is B.A = magnetic field*area * costheta
and here theta is 0 hence , cos 0 is 1
Now change in field is 3 - 1.2 = 1.8
now we know sqaure have side 1 m so area is 1m2
EMF IS 1.8 *1 *1/2.5 = 0.72 V.
here the magnetic field is decreasing, hence according to faraday ' s law direction of magnetic field should be clockwise.
IF any doubt then comment me please humble request to you.
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