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A current I ampere flows along the inner conductor of a co-axial cable and returns

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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