| ⇦ | 
| ⇨ |
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: - Two identical long conducting wires AOB and COD are placed at right angle
- A 100Ω resistance and a capacitor of 100Ω reactance are connected in series
- If the feedback voltage is increased in a negative feedback amplifier, then
- When an α-particle of mass m moving with velocity ν bombards on a heavy nucleus
- The flux linked with a circuit is given by φ=t³+3t-7. The graph between time
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two identical long conducting wires AOB and COD are placed at right angle
- A 100Ω resistance and a capacitor of 100Ω reactance are connected in series
- If the feedback voltage is increased in a negative feedback amplifier, then
- When an α-particle of mass m moving with velocity ν bombards on a heavy nucleus
- The flux linked with a circuit is given by φ=t³+3t-7. The graph between time
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