A wheel with 10 metallic spokes each 0.5 m long is rotated with a speed of 120 rev/min in a plane normal to the earth's magnetic field at the place. If the magnitude of the magnetic field is 0.4 G, wh

Question

A wheel with 10 metallic spokes each 0.5 m long is rotated with a speed of 120 rev/min in a plane normal to the earth's magnetic field at the place. If the magnitude of the magnetic field is 0.4 G, what is the induced emf between the axle and the rim of the wheel?

A

1.256 × 10⁻³ V

B

6.28 × 10⁻⁴ V

C

1.256 × 10⁻⁴ V

D

6.28 × 10⁻⁵ V

Accepted Answer

1

Answer

1.256 × 10⁻³ V

Answer

6.28 × 10⁻⁴ V

Answer

1.256 × 10⁻⁴ V

Answer

6.28 × 10⁻⁵ V

NEET Physics Induced EMF MCQ Question

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