Three Capacitors of Equal Capacitance Are Arranged as Shown in the Figure

Multiple Choice

Three capacitors of equal capacitance are arranged as shown in the figure, with a voltage source across the combination. If the voltage drop across $C _ { 1 }$ is $10.0 \mathrm {~V}$ , what is the voltage drop across $C _ { 3 }$ ?

A) $30 \mathrm {~V}$
B) $10.0 \mathrm {~V}$
C) $20 \mathrm {~V}$
D) $40 \mathrm {~V}$