| Assertion: When two coils are wound on each other, the mutual induction between the coils is maximum. |
| Reason: Mutual induction does not depend on the orientation of the coils. |
A) If both assertion and reason are true and reason is the correct explanation of assertion.
B) If both assertion and reason are true and reason is not the correct explanation of assertion.
C) if assertion is true but reason is false.
D) If both assertion and reason are false.
E) If assertion is false but reason is true.
Correct Answer: C
Solution :
The manner in which the two coils are oriented, determines the coefficient of coupling between them. \[K=\sqrt{\frac{M}{{{L}_{1}}{{L}_{2}}}}\] where \[{{L}_{1}}\]and \[{{L}_{2}}\]are self-inductance of two coils. When the two coils are wound on each other, the coefficient of coupling is maximum and hence mutual inductance between the coil is maximum.
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