As frequency is varied in an RLC series circuit, resonance is reached when
A. the impedance becomes zero.
B. the inductive reactance is equal to the capacitive reactance.
C. the sum of the inductive and capacitive reactances is equal to the resistance.
D. the capacitive reactance is equal to the resistance.
E. the inductive reactance is equal to the resistance.
B. the inductive reactance is equal to the capacitive reactance.
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