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A thin semicircular conducting ring (PQR) of radius r is falling with its plane vertical in a horizontal magnetic field B, as shown in the figure. The potential difference developed across the ring when its speed is v, is
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Options
(a) zero
(b) Bvπr²/2 and P is at higher potential
(c) πrBv and R is at higher potential
(d) 2rBv and R is at higher potential
Correct Answer:
2rBv and R is at higher potential
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- For a simple pendulum performing simple harmonic motion, the time period
- A coil of N turns and mean cross-sectional area A is rotating with uniform angular
- Two metallic spheres of radii 1 cm and 3 cm are given charges of -1 x 10⁻² C
- A perfect gas at 27° C is heated at constant pressure to 327° C. If original volume of gas
- If λ₁ and λ₂ are the wavelengths of the first members of the Lyman and Paschen
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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