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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
- As a result of interference of two coherent sources of light, energy is
- A particle free to move along X-axis has potential energy given as U(X) =k(1-e⁻ˣ²)
- In a region, the potential is represented by V(x,y,z)=6x-8xy-8y+6yz, where V
- A ball is dropped into a well in which the water level is at a depth h below the top
- When a spring is extended by 2 cm energy stored is 100 J. When extended further by 2 cm
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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