A conducting rod with a length of 25 cm is placed on a U-shaped metal wire that
ID: 2251679 • Letter: A
Question
A conducting rod with a length of 25 cm is placed on a U-shaped metal wire that has a resistance R of 8.0 (omega) as shown in the figure. The wire and the rod are placed in the plane of the paper. A constant magnetic field of strength 0.40 T is applied perpendicular into the paper. An applied force moves the rod to the right with a constant speed of 6.0 m/s. What is the magnitude and direction of the induced current in the wire?
The answer is 0.6V but idk how to get it.
A conducting rod with a length of 25 cm is placed on a U-shaped metal wire that has a resistance R of 8.0 (omega) as shown in the figure. The wire and the rod are placed in the plane of the paper. A constant magnetic field of strength 0.40 T is applied perpendicular into the paper. An applied force moves the rod to the right with a constant speed of 6.0 m/s. What is the magnitude and direction of the induced current in the wire? The answer is 0.6V but idk how to get it.Explanation / Answer
emf = BLv
=0.4*0.25*6
=0.6 V
now current=V/R
=0.6/8
=0.075 A
the direction is anti clockwise
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