JEE Main 2022 Physics question
A metallic conductor of length 1 m rotates in a vertical plane parallel to east-west direction about one of its end with angular velocity 5 rad . If the horizontal component of earth's magnetic field is T, then emf induced between the two ends of the conductor is:
Answer: (2)
Solution
\frac{1}{2}\ell ^{2}\frac{1}{2}$ × 0.2
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