Direction for: In each of the following questions a statement of Assertion is given followed by a corresponding statement of Reason just below it. Of the statements mark the correct answer as
Assertion: In the phenomenon of mutual induction, self-induction of each of the coil persists. Reason: Self-induction arises when strength of current in one coil changes. In mutual induction current is changing in both the individual coils.A) If both assertion and reason are true and the reason is the correct explanation of assertion.
B) If both assertion and reason are true but the reason is not the correct explanation of the assertion.
C) If assertion is true statement but reason is false.
D) If both assertion and reason are false.
Correct Answer: A
Solution :
The phenomenon of production of emf in a coil when the current in neighbouring coil changes is called mutual induction. The coil in which the current changes is called the primary coil while the neighbouring coil in which emf is induced is called secondary coil. In addition to induced emf which is produced by mutual induction, also the induced emf is produced in each coil because of self-induction. Hence, option (a) is true.
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