| ⇦ | 
| ⇨ |
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: - Velocities of sound measured in hydrogen and oxygen gas at a given temperature
- If a spring of spring constant k stretched by a length x under tension T, the energy
- A ray enters a glass sphere of refractive index μ=√3 at an angle of incidence of 60⁰
- In a uniform circular motion, work done in one complete rotation is
- The resistance of a wire is 5 ohm at 50° C and 6 ohm at 100° C. The resistance
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Velocities of sound measured in hydrogen and oxygen gas at a given temperature
- If a spring of spring constant k stretched by a length x under tension T, the energy
- A ray enters a glass sphere of refractive index μ=√3 at an angle of incidence of 60⁰
- In a uniform circular motion, work done in one complete rotation is
- The resistance of a wire is 5 ohm at 50° C and 6 ohm at 100° C. The resistance
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