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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 magnetic needle suspended parallel to a magnetic field requires √3J of work
- Electromagnetic induction is not used in
- In the elastic collision of objects
- Two identical capacitors each of capacitance 5 mF are charged potentials 2 kV and 1 kV
- A force of 5 N is acting on an object. Displacement of object is 10 m and the work done
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A magnetic needle suspended parallel to a magnetic field requires √3J of work
- Electromagnetic induction is not used in
- In the elastic collision of objects
- Two identical capacitors each of capacitance 5 mF are charged potentials 2 kV and 1 kV
- A force of 5 N is acting on an object. Displacement of object is 10 m and the work done
Topics: Magnetic Effects of Current and Magnetism (167)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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