Question

The strength of magnetic lines of force produced by passing a direct current in a conductor is
(A) Independent of value of current
(B) Decrease with increase in the distance from conductor
(C) Increase with increase in the distance from conductor
(D) None of the Above​

Answer 1

ANSWER:

b

Explanation:

• magnetic field strength increases on increasing the current through the wire.

• magnetic field strength decreases as the distance from the wire increases.

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Answer 2

Answer:

(B) Decrease with increase in the distance from conductor

Explanation:

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