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Question

An aeroplane with wing span 50 m is flying horizontally with a speed of 360 km/hr over a place where the vertical component of the earth's magnetic field is 2×104Wb/m2. The potential difference between the tips of the wings would be

A
0.1V
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B
1.0V
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C
0.2V
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D
0.01V
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Solution

The correct option is B 1.0V
InducedemfE=Brvl
Velocity of plane=360×10003600=100m/s
2×104×100×50
=1V

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