| ⇦ | 
| ⇨ |
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 proton is moving in a uniform magnetic field B in a circular path of radius a
- A siren emitting sound of frequency 800 Hz is going away from a static listener
- A ball moving with velocity 2 m/s collides head on with another stationary ball
- An object is seen through a simple microscope of focal length 12 cm.
- The mean free path of molecules of a gas,(radius ‘r’) is inversely proportional to
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A proton is moving in a uniform magnetic field B in a circular path of radius a
- A siren emitting sound of frequency 800 Hz is going away from a static listener
- A ball moving with velocity 2 m/s collides head on with another stationary ball
- An object is seen through a simple microscope of focal length 12 cm.
- The mean free path of molecules of a gas,(radius ‘r’) is inversely proportional to
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