A conducting rod of length 2 l is rotating with constant angular speed ω about its…
Physics · JEE Advanced · NTA Exams — Electromagnetic Induction and Alternating Currents
A conducting rod of length 2l is rotating with constant angular speed ω about its perpendicular bisector. A uniform magnetic field \(\overrightarrow{\mathrm{B}}\)exists parallel to the axis of rotation. The e.m.f. induced between two ends of the rod is
- \(\mathrm{B} \omega \ell^{2}\)
- \(\frac{1}{2} \mathrm{~B} \omega \ell^{2}\)
- \(\frac{1}{8} \mathrm{~B} \omega \ell^{2}\)
- Zero
Answer
(D) Zero
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