A) a direction same as field direction
B) a direction opposite to the field direction
C) no direction of its own
D) None of the above
Correct Answer: C
Solution :
As we know from Lenz's law, the direction of induced emf in a circuit is such that it opposes the magnetic flux that produces it. So, if the magnetic flux linked with a closed circuit increases the induced current flows in a direction so as to develop a magnetic flux in the opposite direction of original flux. If the magnetic flux linked with a closed circuit decreases, then the induced current flows in a direction to develop a magnetic flux in the same direction of original flux. So, the induced emf has not direction of its own.
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