A conductor of length l and mass m can slide without any friction along the two vertical…
Physics · JEE Advanced · NTA Exams — Electromagnetic Induction and Alternating Currents
A conductor of length l and mass m can slide without any friction along the two vertical conductors connected at the top through a capacitor. A uniform magnetic field B is set up ⊥ to the plane of paper. The voltage across the capacitor in terms of distance x through which it falls is
- Bl2gx
- \(\mathrm{B} \ell \sqrt{\mathrm{gx}}\)
- \(\mathrm{B} \ell \sqrt{2 \mathrm{gx}}\)
- \(\mathrm{Bx} \sqrt{2 \mathrm{~g} \ell}\)
Answer
(C) B 2 gx
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