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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.
Related Questions: - If a charge in current of 0.01 A in one coil produces a change in magnetic flux
- The magnetic susceptibility of a material of a rod is 449. Permeability of vaccum
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Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If a charge in current of 0.01 A in one coil produces a change in magnetic flux
- The magnetic susceptibility of a material of a rod is 449. Permeability of vaccum
- A tube of length L is filled completely with an incompressible liquid of mass
- Two balls are dropped from same height at 1 second interval of time.
- Eddy currents are used in
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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