Example 2:
Two series resistors are connected to an AC
source. If there is 6.5 V rms across one resistor
and 3.2 V rms across the other, calculate the
peak source voltage.

Vs
=
1 + V2
V
=
.5 + 3.2
6
=
.7 V
9

Convert Vrms to Vpeak, using Vp = 1.414 Vs
Vp
=
1.414 x 9.7
=
13.72 V