A square loop with a resistor is in a magnetic field which varies in strenght. D
ID: 1262649 • Letter: A
Question
A square loop with a resistor is in a magnetic field which varies in strenght. Determine and explain the direction of the induced current in each case. Assume the loop is never moved outside the field:
The loop is moved straight to the right, straight to the left, straight up, straight down, straight out of the paper, and straight into the paper.
A square loop with a resistor is in a magnetic field which varies in strenght. Determine and explain the direction of the induced current in each case. Assume the loop is never moved outside the field: The loop is moved straight to the right, straight to the left, straight up, straight down, straight out of the paper, and straight into the paper.Explanation / Answer
When loop is moved either left or right there is no chagne in the field that intersecting the coil. so there is no induced current. when loop is moving stirght up the flux through the coil is increasing. So the current in the loop is counter clockwise. when loop is moving stirght down the flux through the coil is decreasing. So the current in the loop is clockwise.There is no current when loop is moved into the paper and out of the paper because there is no change in flux.
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