In an RLC Series Circuit, the Source Voltage Is Leading $\degree$

Multiple Choice

In an RLC series circuit, the source voltage is leading the current at a given frequency f. If f is lowered slightly, then the circuit impedance will:

A) increase
B) decrease
C) remain the same
D) need to know the amplitude of the source voltage
E) need to know whether the phase angle is larger or smaller than 45 $\degree$