PLEASE SHOW ALL WORK! A conducting rod whose length is 0.25 m is placed on a U-shaped metal wire that has a resistance R = 8 Ω as shown in the figure above. The wire and the rod are in the plane of the paper. A constant magnetic field of strength B = 0.4 T is applied perpendicular to and into the paper. An applied force moves the rod to the right with a constant speed of 6 m/s. a) What is the magnitude of the induced emf in the wire? b) What is the magnitude and direction of the induced current in the wire? c) What simple adjustment(s) could be made to the system to increase the induced emf?
PLEASE SHOW ALL WORK!
A
a) What is the magnitude of the induced emf in the wire?
b) What is the magnitude and direction of the induced current in the wire?
c) What simple adjustment(s) could be made to the system to increase the induced emf?
d) DO NOT re-solve the problem. If the entire apparatus is slowly rotated so the top of the loop rotates into the paper and the bottom of the loop rotates out of the paper, what do you expect to happen? You may sketch pictures to support your conclusion.
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