A coil is made of an insulated copper wire and current is passed through the coil. Now, two magnets are kept at each end of the coil with the polarity as shown in the figure below. If the magnets do not move, will there be any change in the length of the coil? What will happen on reversing the direction of current?
A coil is made of an insulated copper wire and current is passed through the coil. Now, two magnets are kept at each end of the coil with the polarity as shown in the figure below. If the magnets do not move, will there be any change in the length of the coil? What will happen on reversing the direction of current?
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Transcribed Image Text:A coil is made of an insulated copper wire and
current is passed through the coil. Now, two
magnets are kept at each end of the coil with the
polarity as shown in the figure below.
If the magnets do not move, will there be any
change in the length of the coil? What will happen
on reversing the direction of current?
N
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