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If current of conductor increases, what is the effect on the force?

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in Basic Electrical Engineering by (88.7k points)
If current of conductor increases, what is the effect on the force?

(a) increases

(b) decreases

(c) remain same

(d) become zero

The question was posed to me in an online quiz.

Question is taken from Magnetic Field Due to an Electric Current in portion Electromagnetism of Basic Electrical Engineering

1 Answer

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Best answer
Right choice is (a) increases

The explanation is: Force of infinite conductor is given by Bil if B, i, l are mutually perpendicular

F/l = Bi = µ0i1i2/2πd if d is separation of two infinite parallel conductors. So, as current increases force increases.

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