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An electric current passes through a long straight wire. At a distance 5 cm from the wire, the magnetic field is B. The field at 20 cm from the wire would be
Options
(a) B / 6
(b) B / 4
(c) B / 3
(d) B / 2
Correct Answer:
B / 4
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - Which two of the following five physical parameters have the same dimensions?
- The equivalent resistance of two resistors connected in series is 6 Ω
- The distance travelled by a particle starting from rest and moving
- The ratio of amplitude of magnetic field to the amplitude of electric field for
- A battery charges a parallel plate capacitor seperated by distance(d) so that the energy
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which two of the following five physical parameters have the same dimensions?
- The equivalent resistance of two resistors connected in series is 6 Ω
- The distance travelled by a particle starting from rest and moving
- The ratio of amplitude of magnetic field to the amplitude of electric field for
- A battery charges a parallel plate capacitor seperated by distance(d) so that the energy
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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