Assertion: The self-induced emf is also called the back emf.
Reason: The self-induced emf opposes any change in the current in a circuit.
Options:
(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.