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A current I ampere flows along the inner conductor of a co-axial cable and returns along the outer conductor of the cable, then the magnetic induction at any point outside the conductor at a distance r metre from the axis is
Options
(a) ∞
(b) zero
(c) μ₀∕4π 2i/r
(d) μ₀∕4π 2πi/r
Correct Answer:
zero
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Three resistances 2Ω, 3Ω and 4Ω are connected in parallel. The ratio of currents passing
- In an LCR series A.C circuit, the voltage across each of the components, L, C and R is 50V
- The potential energy of a system increases if work is done
- When one of the slits of Young’s experiment is covered with a transport sheet
- A body of mass 4 kg is accelerated upon by a constant force travels
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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