| ⇦ | 
| ⇨ |
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: - A wave travelling in the +ve x-direction having displacement along y-direction as 1m
- An electric lamp is connected to 220 V, 50 Hz supply. Then the peak voltge is
- Magnetic flux φ (in weber) linked with a closed circuit of resistance 10 Ω varies
- The primary and secondary coil of the transformer have 50 and 1500 turns respectively
- The wavelength of first line of Balmer series is 6563Å. The wavelength of first line
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A wave travelling in the +ve x-direction having displacement along y-direction as 1m
- An electric lamp is connected to 220 V, 50 Hz supply. Then the peak voltge is
- Magnetic flux φ (in weber) linked with a closed circuit of resistance 10 Ω varies
- The primary and secondary coil of the transformer have 50 and 1500 turns respectively
- The wavelength of first line of Balmer series is 6563Å. The wavelength of first line
Topics: Magnetic Effects of Current and Magnetism (167)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply