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Physics-

General

Easy

Question

A conducting rod PQ of length L = 1.0 m is moving with a uniform speed v = 20 m/s in a uniform magnetic field B = 4.0 T directed into the paper. A capacitor of capacity C = 10 $mu F$ is connected as shown in figure. Then

$q_{A} = + 800 μ C and q_{B} = - 800 μ C$
$q_{A} = - 800 μ C and q_{B} = + 800 μ C$
$q_{A} = 0 = q_{B}$
charged stored in the capacitor increases exponentially with time

The correct answer is: $q subscript A end subscript equals plus 800 mu C text and end text q subscript B end subscript equals negative 800 mu C$

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