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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
- Three blocks A,B and C of masses 4 kg, 2 kg and 1 kg respectively are in contact
- The escape velocity from the earth’s surface is 11 kms⁻¹.A certain planet
- The area of cross-section of one limb of an U-tube is twice that of the other.
- The mirrors are inclined at an angle of 50⁰. The number of images formed for an object
- A capacitor of 10 µF charged upto 250 volt is connected in parallel with another
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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