An RLC series circuit, connected to a source , is at resonance.Then:
A)the voltage across R is zero
B)the voltage across R equals the applied voltage
C)the voltage across C is zero
D)the voltage across L equals the applied voltage
E)the applied voltage and current differ in phase by 90 $\degree$

Question

An RLC series circuit, connected to a source , is at resonance.Then:
A)the voltage across R is zero
B)the voltage across R equals the applied voltage
C)the voltage across C is zero
D)the voltage across L equals the applied voltage
E)the applied voltage and current differ in phase by 90  $\degree$

Quizplus · Accepted Answer

At resonance in an RLC series circuit, the impedance is purely resistive, so the voltage across the resistor R equals the applied voltage.

An RLC Series Circuit, Connected to a Source , Is °\degree°

An RLC Series Circuit, Connected to a Source , Is $\degree$