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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
- A neutron is moving with a velocity u.It collides head on and elastically with an atom
- Two tuning forks are sounded together and produce 2 beats per second.
- If potential(in volts) in a region is expressed as V(x,y,z) = 6xy – y + 2yz,
- A very small circular loop of radius a is initially (at t=0) coplanar and concentric
- An electron in potentiometer experiences a force 2.4×10⁻¹⁹N. The length of potentiometer
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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