A Resistor and Capacitor Are Connected in Series with an Applied

question 49

Multiple Choice

A resistor and capacitor are connected in series with an applied AC voltage source.Separate voltmeter readings across the resistor and capacitor give values of 50 V and 60 V (rms) ,respectively.What is the effective (rms) voltage of the source?

• A) 78 V
• B) 90 V
• C) 110 V
• D) 25 V