The magnetic induction in the region between the pole faces of an electromagnet is 0.7 weber/m2. The induced e.m.f. in a straight conductor 10 cm long, perpendicular to B and moving perpendicular both to magnetic induction and its own length with a velocity 2 m/sec is

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0.08 V

0.14 V

0.35 V

0.07 V

answer is B.

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Detailed Solution

e=Bvl⇒e=0.7×2×(10×10−2)=0.14 V

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