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A metal rod of length l cuts across a uniform magnetic field B with a velocity v. If the resistance of the circuit of which the rod forms a part is r, then the force required to move the rod is
Options
(a) B²l²v/r
(b) Blv/r
(c) B²lv/r
(d) B²l²v²/r
Correct Answer:
B²l²v/r
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A satellite of mass m revolves around the earth of radius R at a height x from
- Bohr’s postulates quantizes
- A rod of 10 cm length is moving perpendicular to uniform magntic field of intensity
- A parallel plate air capacitor of capacitance C is connected to a cell of emf
- If liquid level falls in a capillary then radius of capillary will be
Topics: Magnetic Effects of Current and Magnetism (167)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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