| Directions: In the following questions, a statement of Assertion [A] is followed by a statement of Reason (R). Mark the correct choice as: |
| Assertion [A]: In the phenomenon of mutual induction, self induction of each of the coils persists. |
| Reason (R): Self induction arises when strength of current in same coil changes. In mutual induction, current is changing in both the individual coils. |
A) Both Assertion [A] and Reason (R) are true and Reason (R) is the correct explanation of Assertion [A]
B) Both Assertion [A] and Reason (R) are true but Reason (R) is not the correct explanation of Assertion [A]
C) Assertion [A] is true but Reason (R) is false
D) Assertion [A] is false and Reason (R) is also false
Correct Answer: B
Solution :
(b) Mutual inductance is the phenomenon according to which an opposing emf produce flux in a coil as a result of change in current of magnetic flux linked with a neighbouring coil. But when two coils are inductively coupled, in addition to induced emf produced due to mutual induction, also induced emf is produced in each of the two coil due to self-induction.
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