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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
- Given the value of Rydberg constant is 10⁷ m⁻¹, the wave number of the last line
- A flywheel rotating about a fixed axis has a kinetic energy of 360 J when
- A small part of the rim of a fly wheel breaks off while it is rotating at a constant
- A parallel plate capacitor with air between the plates has a capacitance of 9 pF.
- A system consists of three masses m₁, m₂ and m₃ connected by a string passing
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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