| ⇦ | 
| ⇨ |
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: - A car moving with a velocity of 36 km/hr crosses a siren of frequency 500 Hz.
- Two points are located at a distance of 10 m and 15 m from the source of oscillation
- When a sound wave of wavelength λ is propagating in a medium,
- In a circuit, the current lags behind the voltage by a phase difference of π/2.
- In N-type semi-conductor current is due 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 car moving with a velocity of 36 km/hr crosses a siren of frequency 500 Hz.
- Two points are located at a distance of 10 m and 15 m from the source of oscillation
- When a sound wave of wavelength λ is propagating in a medium,
- In a circuit, the current lags behind the voltage by a phase difference of π/2.
- In N-type semi-conductor current is due 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