An N -turn square coil with side ? and resistance R is pulled to the right at co
ID: 1374770 • Letter: A
Question
An N-turn square coil with side ? and resistance R is pulled to the right at constant speed v in the positive x-direction in the presence of a uniform magnetic field B acting perpendicular to the coil, as shown in the figure below. At t = 0, the right side of the coil is at the edge of the field. After a time t has elapsed, the entire coil is in the region where B = 0. In terms of the quantities N, B, ?, v, andR, find symbolic expressions for the following.
An N-turn square coil with side ? and resistance R is pulled to the right at constant speed v in the positive x-direction in the presence of a uniform magnetic field B acting perpendicular to the coil, as shown in the figure below. At t = 0, the right side of the coil is at the edge of the field. After a time t has elapsed, the entire coil is in the region where B = 0. In terms of the quantities N, B, ?, v, andR, find symbolic expressions for the following. epsilon = (b) the magnitude of the induced current in the coil I = (c) the power delivered to the coil P = (d) the force required to remove the coil from the field F = (a) the magnitude of the induced emf in the loop during the time interval tExplanation / Answer
It appears that the coil only has one side moving perpendicular to the field (other two sides move parallel - no induced emf in these)
The emf E is generated because of a changing area (?A/t = in m
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