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Physics-

General

Easy

Question

An aeroplane in which the distance between the tips of the wings in 50 m is flying horizontally with a speed of 360 $k m h to the power of negative 1 end exponent$ over a place where the vertical component of earth’s magnetic field is $2 cross times 10 to the power of negative 4 end exponent W b m to the power of negative 2 end exponent$ . The potential difference between the tips of the wings would be

0.1 V
1.0 V
0.2 V
0.01 V

The correct answer is: 1.0 V

Here, $l equals 50 blank m comma blank v equals 360 blank k m h to the power of negative 1 end exponent equals 100 blank m s to the power of negative 1 end exponent$
$B equals 2 cross times 10 to the power of negative 4 end exponent W b m to the power of negative 2 end exponent$
Potential difference $e equals B l v equals 2 cross times 10 to the power of negative 4 end exponent cross times 50 cross times 100 equals 1$ V.

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