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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
- Wires A and B are made from the same material. A has twice the diameter and three times
- The velocity of molecules of a gas at temperature 120 K is v. At what temperature
- The specific charge of a proton is 9.6×10⁷ C/kg. The specific charge of an alpha particle
- Charge Q is divided into two parts which are then kept some distance apart. The force
- Two capacitors having capacitances C₁ and C₂ are charged with 120V and 200V batteries
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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