| ⇦ | 
| ⇨ |
A long straight wire of radius a carries a steady current I. The current is uniformly distributed over its cross-section. The ratio of the magnetic field B and B’ at radial distances a/2 and 2a respectively, from the axis of the wire is
Options
(a) (1/2)
(b) 1
(c) 4
(d) (1/4)
Correct Answer:
1
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - The physical quantity which does not have the same dimensions as the other three is
- The self-inductance of a choke coil is 10 mH. When it is connected with a 10 V DC source,
- Rutherford’s α-scattering experiment concludes that
- A bus is moving with a velocity of 5 ms⁻¹ towards a huge wall.
- A person has a minimum distance of distinct vision as 50 cm. The power of lenses
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The physical quantity which does not have the same dimensions as the other three is
- The self-inductance of a choke coil is 10 mH. When it is connected with a 10 V DC source,
- Rutherford’s α-scattering experiment concludes that
- A bus is moving with a velocity of 5 ms⁻¹ towards a huge wall.
- A person has a minimum distance of distinct vision as 50 cm. The power of lenses
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