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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
- The minimum velocity (in ms⁻¹) with which a car driver must traverse a flat curve
- A ship of mass 3 x 10⁷ kg initially at rest is pulled by a force of 5 x 10⁴ N through
- A wire of one metre length carries a constant current. The wire is bent to form
- The near point and far point of a person are 40 cm and 250 cm, respectively.
- A ball is thrown vertically downwards from a height of 20 m with an initially
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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