railway RRB Group D Mock Test Series 2024-25 General Science Physics Magnetism

What is the magnitude of magnetic force per unit length on a wire carrying a current of 8 A and making an angle of 30° along the direction of a uniform magnetic field of 0.15 T?

1

0.6 N/m

2

5.3 N/m

3

1.2 N/m

4

53 N/m

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