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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
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
- A source of light is placed at a distance of 50 cm from a photocell and the stopping
- With what minimum acceleration can a fireman slide down a rope while breaking
- If a solid sphere of mass 1 kg and radius 0.1 m rolls without slipping at a uniform
- A spring when stretched by 2mm containing energy 4 J. If it is stretched
- If the kinetic energy of the particle is increased to 16 times its previous value
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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