Question
The sensitiveness of a moving coil galvanometer can be increased by decreasing
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($A$) The magnitude of induced emf in the wire is $\left(\frac{\mu_0}{\pi}\right)$ volt
($B$) If the loop is rotated at a constant angular speed about the wire, an additional emf of $\left(\frac{\mu_0}{\pi}\right)$ volt is induced in the wire
($C$) The induced current in the wire is in opposite direction to the current along the hypotenuse
($D$) There is a repulsive force between the wire and the loop



