Assertion (A): In a series LCR circuit connected to an AC source, resonance can take place.
Reason (R): At resonance, X=L
(a) Both assertion and reason are true, and reason is the correct explanation of the assertion.
(b) Both assertion and reason are true, but reason is not the correct explanation of the assertion.
(c) Assertion is true, but the reason is false.
(d) Both assertion and reason are false.