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A long wire carrying a steady current is bent into a circular loop of one turn. The magnetic field at the centre of the loop is B. It is then bent into a circular coil of n turns. The magnetic field at the centre of this coils of n turns will be
Options
(a) nB
(b) n²B
(c) 2nB
(d) 2n²B
Correct Answer:
n²B
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - An Electric charge does not have which of the following properties?
- A charged oil drop is suspended in a uniform field at 3×10⁴ V/m so that it neither falls
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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
- An Electric charge does not have which of the following properties?
- A charged oil drop is suspended in a uniform field at 3×10⁴ V/m so that it neither falls
- 6Ω and 12Ω resistors are connected in parallel. This combination is connected
- The root mean square speed of oxygen molecule (O₂) at a certain temperature is v.
- Find out the e.m.f. produced when the current changes from 0 to 1 A in 10 sec.
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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