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A train is moving with a speed of 30 m s–1 NS on the rails separated by 2 m. If the vertical component of earth's field is 8 x 10–5 T, the e.m.f. is |
0.0048V 0.048V 0.48V 4.8V |
0.0048V |
$\xi = Blv = 30\times 2 \times 8 \times 10^{-5}V =0.0048V$ |
