(A): At resonance power factor of L-C-R series circuit is unity.
(R) : At resonance `X_(C) = X_(L)`

Options

A. Both 'A' and 'R' are true and 'R' is the correct explanation of 'A'.
B. Both 'A' and 'R' are true and 'R' is not the correct explanation of 'A'
C. 'A' is true and 'R' is false
D. Both 'A' and 'R' are false

Answer

A