| ⇦ | 
| ⇨ |
A wire in the form of a circular loop of one turn, carrying a current, produces a magnetic field B at the centre. If the same wire is looped into a coil of two turns and carries the same current, the new value of magnetic induction at the centre is
Options
(a) 5 B
(b) 3 B
(c) 2 B
(d) 4 B
Correct Answer:
4 B
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - A copper disc of radius 0.1 m is rotated about its centre, with 10 revolutions
- The dimensional formula for Young’s modulus is
- A stone falls freely under gravity. It covers distances h1, h2 and h3 in the first 5 secs
- If a body travels half the distance with velocity v1 and the next half with velocity v2
- Which logic gate is represented by the following combination of logic gate?
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A copper disc of radius 0.1 m is rotated about its centre, with 10 revolutions
- The dimensional formula for Young’s modulus is
- A stone falls freely under gravity. It covers distances h1, h2 and h3 in the first 5 secs
- If a body travels half the distance with velocity v1 and the next half with velocity v2
- Which logic gate is represented by the following combination of logic gate?
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