Target Exam

CUET

Subject

Physics

Chapter

Moving Charges and Magnetism

Question:

A wheel with 10 metallic spokes each 1.0 m long is rotated with a speed of 240 rev/min in a plane normal to magnetic field of 0.4 G at the place, the induced emf between the axle and the rim of the wheel is;

Given that $1G=10^{-4} T$.

Options:

$6.28×10^{-5} V$

$7.536×10^{-4}V$

$7.536×10^{-5} V$

$5×10^{-4} V$

Correct Answer:

$5×10^{-4} V$

Explanation:

The correct answer is Option (4) → $5×10^{-4} V$