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The current in the windings of a toroid is 2.0 A. There are 400 turns and the mean circumferential length is 40 cm. If the inside magnetic field is 1.0 T, the relative permeability is approximately
Options
(a) 100
(b) 200
(c) 300
(d) 400
Correct Answer:
400
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
- If the volume of a block of aluminium is decreased by 1%, the pressure
- When photons of energy hν are incident on the surface of photosensitive
- A total charge of 5µC is distributed uniformly on the surface of the thin walled
- A cricketer catches a ball of mass 150 g in 0.1 sec moving with speed 20 m/s
- The ratio of the numerical value of the average velocity and average speed
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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