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The question given below consist of an a...

The question given below consist of an assertion (A) and a reason ( R). Use the following key to choose the appropriate answer to these questions from the codes (a), (b), ( c) and (d) given below:
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is NOT the correct explanation of A.
(c) A is true but R is false.
(d) A is false and R is also false.
Assertion: Sometimes spark occurs when electric iron is switched off.
Reason: A large self-induced emf is produced and hence a large current flows in the direction of main current.

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