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1. |
A conductor of axial length 30 cm carries a current of 100 A and lies at right angle to a magnetic field of strength 0.4 tesla. What is the force exerted on it? |
A. | 10 N |
B. | 12 N |
C. | 1.2 N |
D. | 0 |
Answer» C. 1.2 N | |