Physics · 2023
JEE Main · 24 January 2023, Shift 2 · Q8
A metallic rod of length ' L ' is rotated with an angular speed of ' ω ' normal to a uniform magnetic field ' B ' about an axis passing through one…
A metallic rod of length ' L ' is rotated with an angular speed of ' $\displaystyle \omega$ ' normal to a uniform magnetic field ' B ' about an axis passing through one end of rod as shown in figure. The induced emf will be :
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle \frac{1}{2} B L^2 \omega$
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JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.