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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 radius of a ball is(5.2±0.2)cm.The percentage error in the volume of the ball
- In which of the following systems will the radius of the first orbit (n=1) be minimum?
- Two parallel long wires carry currents i₁ and i₂ with i₁ > i₂ .
- A source of unknown frequency gives 4 beats/s, when sounded with a source harmonic
- A uniform rod of length l is placed with one end in contact with the horizontal
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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