| ⇦ | 
| ⇨ |
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 body A experiences perfectly elastic collision with a stationary body B
- A compass needle which is allowed to move in a horizontal plane
- A closely wound solenoid of 2000 turns and area of cross-section 1.5 x 10⁻⁴ m² carries
- A car moving with a speed of 50 kmh⁻¹ can be stopped by brakes after at least 6 m
- The cylindrical tube of a spray pump has radius R, one end of which has n fine holes,
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A body A experiences perfectly elastic collision with a stationary body B
- A compass needle which is allowed to move in a horizontal plane
- A closely wound solenoid of 2000 turns and area of cross-section 1.5 x 10⁻⁴ m² carries
- A car moving with a speed of 50 kmh⁻¹ can be stopped by brakes after at least 6 m
- The cylindrical tube of a spray pump has radius R, one end of which has n fine holes,
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