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Question

An aeroplane in which the distance between the tips of the wings is 50m is flying horizontally with speed of 360 km/h over a place where the vertical component of earth’s magnetic field is 2×104 The potential difference between the tips of the wings would be

A
0.1V
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B
1 V
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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 V
E=Blv
=2×104×50×360×518 V
= 1V

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