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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
- The rate of increase of thermo-e.m.f. with temperature at the neutral temperature
- Wavefront is the locus of all points, where the particles of the medium
- A paramagnetic sample shows a net magnetisation of 0.8 Am⁻¹, when placed
- A coil of resistance 10 Ω and an inductance 5 H is connected to a 100 volt
- A particle of mass 100g tied to a string is rotated along a circle of radius 0.5 m
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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