Jump to... An astronaut who is repairing the outside of her spaceship accidently

Question

Jump to... An astronaut who is repairing the outside of her spaceship accidently pushes away a 97.7-cm-long steel rod, which flies off at 11.3 m/s, never to be seen again. As it happens, the rod is oriented perpendicularly the magnetic field in that region of space. The rod is moving perpendicularly to its length as well as to the direction of the magnetic field. The magnetic field strength there is 8.35 mT. What is the magnitude of the EMF, in millivolts, induced between the ends of the rod Number m V

Explanation / Answer

emf induced in rod due to its motion in presence of magnetic field.

e = BvL

e = (8.35mT) × (11m/s) × (0.977m)

e = 89.74 mV

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