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?
Chapter12: Sources Of Magnetic Fields
Section: Chapter Questions
Problem 15CQ: If you cut a bar magnet into two pieces, will you end up with one magnet with an isolated north pole...
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