# In a 20 Vac series RC circuit, if 20 V is read across the resistor and 40 V is measured across the capacitor, what is the applied voltage?

${V}_{T} = \sqrt{{40}^{2} + {20}^{2}} = 44 , 72 V$
${V}_{T} = \sqrt{{40}^{2} + {20}^{2}} = 44 , 72 V$