| ⇦ | 
| ⇨ |
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.
Related Questions: - The work function for aluminium is 4.125 eV. The cutoff wavelength for photoelectric
- A pellet of mass 1 g is moving with an angular velocity of 1 rad/s along a circle
- During negative β-decay
- The velocity of sound is V, in air. If the density of air is increased to four times
- Two waves are represented by the equations y₁ = a sin (?t + kx + 0.57) m
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The work function for aluminium is 4.125 eV. The cutoff wavelength for photoelectric
- A pellet of mass 1 g is moving with an angular velocity of 1 rad/s along a circle
- During negative β-decay
- The velocity of sound is V, in air. If the density of air is increased to four times
- Two waves are represented by the equations y₁ = a sin (?t + kx + 0.57) m
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