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NEET
Exam
NEET
Subject
Physics
Chapter
Electromagnetic Induction

NEET · Physics · Electromagnetic Induction

What is the magnitude of the electromotive force (emf) induced in a...

What is the magnitude of the electromotive force (emf) induced in a circular coil with a radius of 10 cm, 500 turns, and resistance of 2 ohms when it is rotated about its vertical diameter through 180° in 0.25 seconds, with its plane perpendicular to the horizontal component of the Earth's magnetic field (3.0 × 10–5T)?

Options

  1. A3.8 × 10–4V
  2. B3.8 × 10–3V
  3. C3.8 × 10–2V
  4. D3.8 × 10–1V

Correct answer

B. 3.8 × 10–3V

Step-by-step solution

Correct Option is : (B)
3.8 × 10–3V
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