Exam 22: Resistive-Capacitive Series Circuits

A series RC circuit contains two resistors and two capacitors. The resistors are 27 Ω and 56 Ω . The capacitors have capacitive reactances of 50 Ω and 40 Ω . What is angle theta?

A capacitor that has an X_C of 40 Ω is connected to a 60 Hz voltage. What is the capacitance?

Of the different power values in an RC circuit, which is known as apparent power?

You connect a clamp-on ammeter and a voltmeter to a series RC circuit powered by a 60-Hz circuit. The voltage reads 240 V and the current is 0.715 A. The resistor is 150 Ω . What is the true power?

A series RC circuit has a resistance of 155 Ω and a capacitive reactance of 270 Ω . What is angle theta?

In a capacitive circuit, the voltage leads the current by 90 electric degrees.​

A series RC circuit contains two resistors and two capacitors. The resistors are 39 Ω and 56 Ω . The capacitors have capacitive reactances of 80 Ω and 40 Ω . When calculating the circuit values, what is the total resistance?

The _____ of a circuit is the cosine of the phase angle.

In a series RC circuit, E_T = 240 V, R = 500 Ω , and X_C = 500 Ω . What is the true power?

A series RC circuit contains two resistors and two capacitors. The resistors are 39 Ω and 68 Ω . The capacitors have capacitive reactances of 60 Ω and 50 Ω . The applied voltage is 240 V. What is the voltage drop on the capacitor that has 50 Ω of reactance?

In a series RC circuit, the resistor voltage is 124 V and the capacitor voltage is 167 V. What is the total voltage?

In a series RC circuit, E_T = 240 V, R = 40 Ω , and X_C = 30 Ω . What is E_R?

A series RC circuit contains two resistors and two capacitors. The resistors are 68 Ω and 56 Ω . The capacitors have capacitive reactances of 66 Ω and 33 Ω . The applied voltage is 240 V. What is the voltage drop on the 56 Ω resistor?

A series RC circuit has two resistors and two capacitors. The resistors dissipate 9 W and 15 W. The capacitive powers are 18 VARs and 9 VARs. The applied voltage is 277 V. What is the circuit current?

In a series RC circuit, apparent power can be calculated by _____.

A series RC circuit contains two resistors and two capacitors. The resistors are 120 Ω and 470 Ω . The capacitors have capacitive reactances of 600 Ω and 300 Ω . When calculating the circuit values, what is the total capacitive reactance?

In a series RC circuit, E_T = 240 V, R = 40 Ω , and X_C = 30 Ω . What is E_C?

A series RC circuit contains two resistors and two capacitors. The resistors are 82 Ω and 47 Ω . The capacitors have capacitive reactances of 80 Ω and 50 Ω . What is the total impedance?

​ In a series RC  circuit, total impedance is a combination of resistance and capacitive reactance.

Power factor (PF) is the ratio of the _____ power to the _____ power.