Physics, asked by saimaibtesam12, 9 months ago

A long straight and thick wire of radius 'a' carries a steady current I. The current is uniformly distributed across it's cross section. The ratio of the
magnetic field at a/2 and 3a is
(A) 3:2
(B) 2:3
(C) 1:1
(D) 1:2​

Answers

Answered by daljitgill651
0

Answer:

(A) 3:2................

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