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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
- How much work is required to carry a 6 μC charge from the negative terminal
- An alternating voltage e=200s in100t is applied to a series combination
- A body of mass 120 kg and density 600 kg/m³ floats in water.
- Sand is being dropped on a conveyor belt at the rate of M kg/s. The force necessary
- Electric field at a point of distance r from a uniformly charged wire of infinite
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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