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If the intensity of the magnetic field perpendicular to current carrying conductor is 100T, the length of the conductor is 3m and the current in the conductor is 10A, calculate the magnitude of force perpendicular to the electric field.

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If the intensity of the magnetic field perpendicular to current carrying conductor is 100T, the length of the conductor is 3m and the current in the conductor is 10A, calculate the magnitude of force perpendicular to the electric field.

(a) 300N

(b) 30N

(c) 30kN

(d) 3kN

The question was asked in an interview.

This intriguing question comes from Force Determination in portion Electromagnetism of Basic Electrical Engineering

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Best answer
The correct option is (d) 3kN

The best explanation: The formula for calculating the value of the force which is perpendicular to the magnetic field is:

F=Bil

Substituting the values from the question, we get F=3kN.

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