| ⇦ | 
| ⇨ |
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: - The potential differences across the resistance, capacitance and inductance
- A national roadway bridge over a canal is in the form of an arc of a circle of radius
- A flywheel rotating about a fixed axis has a kinetic energy of 360 J when
- In a n-p-n transistor about 10¹⁰ electrons enter the emitter in 2 μs,
- Two Carnot engine A and B are operated in series. The engine A receives
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The potential differences across the resistance, capacitance and inductance
- A national roadway bridge over a canal is in the form of an arc of a circle of radius
- A flywheel rotating about a fixed axis has a kinetic energy of 360 J when
- In a n-p-n transistor about 10¹⁰ electrons enter the emitter in 2 μs,
- Two Carnot engine A and B are operated in series. The engine A receives
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