**Assertion**

# In a series RLC circuit, if $V_{R},V_{L}$ and $V_{C}$ denote ems voltage across $R,L$ and $C$, respectively, and $V_{s}$ is the rms voltage across the source, then $V_{S}=V_{R}+V_{L}+V_{C}$.

**Reason**

# In ac circuits, Kitchoff's voltage law is correct at every instant of time.