A uniform magnetic field of 0.4 T acts perpendicular to a circular copper disc 20 cm in radius. The disc is having a uniform angular velocity of 10 \pi {\rad} { s}^{-1} about an axis through its centre and perpendicular to the disc. What is the potential difference developed between the axis of the disc and the rim? (\pi=3.14) [28 Jan 2025 Shift 2]

Electromagnetic Induction Part 2

Section: Physics

Question : 17 of 45

Marks: +1, -0

A uniform magnetic field of 0.4 T acts perpendicular to a circular copper disc 20 cm in radius. The disc is having a uniform angular velocity of 10π‌rad‌ s−1 about an axis through its centre and perpendicular to the disc. What is the potential difference developed between the axis of the disc and the rim?
(π=3.14)

[28 Jan 2025 Shift 2]

0.0628 V
0.5024 V
0.1256 V
0.2512 V

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