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Question:

An electron moves on a straight line path XY as shown. The abcd is a coil adjacent to the path of electron. What will be the direction of current, if any, induced in the coil?

abcd

The current will reverse its direction as the electron goes past the coil

No current induced

adcb

Solution:

The current direction is always opposite to the direction of the electrons. Thus the option D will be correct.