A circular coil of radius 8 cm, 400 turns and resistance 2 Ω is placed with its plane…
Physics · Class 12 · CBSE — Electromagnetic Induction
A circular coil of radius 8 cm, 400 turns and resistance 2 Ω is placed with its plane perpendicular to the horizontal component of the earth’s magnetic field. It is rotated about its vertical diameter through 180° in 0.30 s. Horizontal component of earth magnetic field at the place is 3 × 10–5 T. The magnitude of current induced in the coil is approximately
- 4 × 10–2 A
- 8 × 10–4 A
- 8 × 10–2 A
- 1.92 × 10–3 A
Answer
(B) 8 × 10 –4 A
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