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The magnetic field at the centre of a circular coil carrying current I ampere is B. If the coil is bent into smaller circular coil of n turns, then its magnetic field at the centre is B’. The ratio between B’ and B is
Options
(a) (1:1)
(b) n:1
(c) n²:1
(d) 2n:1
Correct Answer:
n²:1
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
- The binding energy per nucleon of ₃⁷Li and ₂⁴He nuclei are 5.60 MeV and 7.06MeV
- Imagine a light planet revolving around a very massive star in a circular
- Work of 3.0×10⁻⁴ joule is required to be done in increasing the size of a soap film
- A bubble is rising from bottom of a lake. The volume of bubble becomes
- There are four light-weight-rod samples A,B,C,D seperately suspended by threads
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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