Two wires A and B of the same material, having radii in the
ratio 1 : 2 and carry currents in the ratio 4 : 1. The ratio of
drift speed of electrons in A and B is
(a) 16 : 1 (b) 1 : 16
(c) 1 : 4 (d) 4 : 1
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Answer:
CAn u give the explanation
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