The figure shows a wire sliding on two parallel conducting rails placed at a separation l…
Physics · Class 12 · CBSE — Electromagnetic Induction
The figure shows a wire sliding on two parallel conducting rails placed at a separation l. A magnetic field B exists in a direction perpendicular to the plane of the rails. The force required to keep the wire moving at a constant velocity v will be
- evB
- Blv
- zero
Answer
(B)
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