Answer to Question #156839 in Physics for Priya

Question #156839

A 1.0m length of current carrying wire kept perpendicular to a magnetic field of magnitude 400mT experiences a force of 3.0mN. determine the current flowing in the wire

Expert's answer

F=BIl\\0.003=(0.4)(1)l\\I=0.0075\ A=7.5\ mA

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