CUET · PHYSICS · PYQ PAPER 2023
A wheel with 8 metallic spokes each 50 cm long is rotated with a speed of 120 rev/min in a plane normal to the horizontal component of the earth's magnetic field. The earth's magnetic field is \( 0.4 \text{ G} \). Calculate the emf induced between the axle and the rim.
- A \( 2 \times 10^{-6} \text{ V} \)
- B \(1.23 \times 10^{-3} \text{ V} \)
- C \( 3.14 \times 10^{-5} \text{ V} \)
- D \( 6 \times 10^{-8} \text{ V} \)
Answer & Solution
Correct Answer
(A) \( 2 \times 10^{-6} \text{ V} \)
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