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If a steel wire of length l and magnetic moment M is bent into a semicircular arc, then the new magnetic moment is
Options
(a) Mxl
(b) M/l
(c) 2M/π
(d) M
Correct Answer:
Mxl
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
- Initial pressure and volume of a gas are P and 800cc. If the final volume is 100cc
- The ratio of the radii or gyration of a circular disc to that of a circular ring
- A thermocouple of negligible resistance produces an e.m.f. of 40 µV/⁰C in the linear range
- A step-up transformer operates on a 230 V line and supplies a current of 2 A.
- For a particle in a non-uniform accelerated circular motion correct statement is
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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