Question 1

The difference between the two frequencies at which the current is 0.707 of the maximum current value is the _____.

Accepted Answer

A)  quality 
B)  power factor 
C)  bandwidth 
D)  resonance 
A)  quality 
B)  power factor 
C)  bandwidth 
D)  resonance C

Question 2

An RLC series circuit has an applied voltage of 240 volts. R = 48 Ω , XL = 100 Ω , XC = 36 Ω , and Z = 80 Ω . What is the total current?

Accepted Answer

A)  1 A 
B)  2 A 
C)  3 A 
D)  4 A 
A)  1 A 
B)  2 A 
C)  3 A 
D)  4 A C

Question 3

An RLC series circuit has an applied voltage of 240 volts. R = 48 Ω , XL = 100 Ω , XC = 36 Ω , and Z = 80 Ω . What is the voltage drop across the capacitor?

Accepted Answer

A)  40 V 
B)  108 V 
C)  300 V 
D)  444 V 
A)  40 V 
B)  108 V 
C)  300 V 
D)  444 V B

Question 4

An RLC series circuit has an applied voltage of 120 volts. R = 42 Ω , XL = 80 Ω , and XC = 24 Ω . What is the true power?

Accepted Answer

A)  18 W 
B)  60 W 
C)  42.86 W 
D)  123.43 W 
A)  18 W 
B)  60 W 
C)  42.86 W 
D)  123.43 W

Question 5

If a RLC series circuit contains more inductive VARs than capacitive VARs, the circuit has a _____ power factor.

Accepted Answer

A)  lagging 
B)  leading 
A)  lagging 
B)  leading

Question 6

An RLC series circuit is powered by a 120-V, 60-Hz supply. It contains an inductor that has an inductive reactance of 50 Ω and a wire resistance of 10 Ω . What is the inductance of the inductor?

Accepted Answer

A)  0.0265 H 
B)  0.133 H 
C)  0.259 H 
D)  0.335 H 
A)  0.0265 H 
B)  0.133 H 
C)  0.259 H 
D)  0.335 H

Question 7

An RLC series circuit has an applied voltage of 240 volts. R = 48 Ω and the voltage across it is 96 V. What is the circuit power factor?

Accepted Answer

A)  10% 
B)  20% 
C)  40% 
D)  50% 
A)  10% 
B)  20% 
C)  40% 
D)  50%

Question 8

In a RLC series circuit, the point at which XL and XC are equal is called _____.

Accepted Answer

A)  equality 
B)  resonance 
C)  inductance 
D)  bandwidth 
A)  equality 
B)  resonance 
C)  inductance 
D)  bandwidth

Question 9

An RLC series circuit is powered by a 120-V, 60-Hz supply. It contains a capacitor that has an XL of 50 Ω . What is the capacitance of the capacitor?

Accepted Answer

A)  53.05 μ F 
B)  106.1 μ F 
C)  132.63 mF 
D)  265.25mF 
A)  53.05 μ F 
B)  106.1 μ F 
C)  132.63 mF 
D)  265.25mF

Question 10

An RLC series circuit has an applied voltage of 240 volts. R = 48 Ω , XL = 100 Ω , XC = 36 Ω , and Z = 80 Ω . What is the reactive power of the capacitor?

Accepted Answer

A)  100 VARs 
B)  208 VARs 
C)  324 VARs 
D)  520 VARs 
A)  100 VARs 
B)  208 VARs 
C)  324 VARs 
D)  520 VARs

Question 11

An RLC series circuit has R = 42 Ω , XL = 80 Ω , and XC = 24 Ω . What is angle theta?

Accepted Answer

A)  36.87 ° 
B)  53.13 ° 
C)  59.74 ° 
D)  62.33 ° 
A)  36.87 ° 
B)  53.13 ° 
C)  59.74 ° 
D)  62.33 °

Question 12

An RLC series circuit has an applied voltage of 277 volts. The current through the resistor is 3.5 A. What is the apparent power of the circuit?

Accepted Answer

A)  210.92 VA 
B)  220.61 VA 
C)  790.14 VA 
D)  969.5 VA 
A)  210.92 VA 
B)  220.61 VA 
C)  790.14 VA 
D)  969.5 VA

Question 13

An RLC series circuit has R = 56 Ω , XL = 64 Ω , and XC = 37 Ω . What is the value of Z?

Accepted Answer

A)  25.49 Ω 
B)  43 Ω 
C)  59 Ω 
D)  62.17 Ω 
A)  25.49 Ω 
B)  43 Ω 
C)  59 Ω 
D)  62.17 Ω

Question 14

If the voltage in a RLC series circuit is ahead of the current, the power factor is referred to as _____.

Accepted Answer

A)  lagging 
B)  leading 
A)  lagging 
B)  leading

Question 15

If the voltage is behind the current i n a RLC series circuit,  the power factor is referred to as _____.

Accepted Answer

A)  lagging 
B)  leading 
A)  lagging 
B)  leading

Question 16

An RLC series circuit has an applied voltage of 240 volts. R = 48 Ω , XL = 100 Ω , XC = 36 Ω , and Z = 80 Ω . What is the reactive power of the inductor?

Accepted Answer

A)  644 VARs 
B)  720 VARs 
C)  808 VARs 
D)  900 VARs 
A)  644 VARs 
B)  720 VARs 
C)  808 VARs 
D)  900 VARs

Question 17

If the current leads the voltage i n a RLC series circuit,  the power factor is referred to as _____.

Accepted Answer

A)  lagging 
B)  leading 
A)  lagging 
B)  leading

Question 18

An RLC series circuit has an applied voltage of 240 volts. R = 48 Ω , XL = 100 Ω , XC = 36 Ω , and Z = 80 Ω . What is the voltage drop across the inductor?

Accepted Answer

A)  140 V 
B)  208 V 
C)  300 V 
D)  344 V 
A)  140 V 
B)  208 V 
C)  300 V 
D)  344 V

Question 19

An RLC series circuit has an applied voltage of 240 volts. R = 51 Ω , XL = 100 Ω , and XC = 32 Ω . The voltage drop across the inductor is 282 V. What is the voltage drop on the resistor?

Accepted Answer

A)  143.82 V 
B)  192.73 V 
C)  382.5 V 
D)  422.4 V 
A)  143.82 V 
B)  192.73 V 
C)  382.5 V 
D)  422.4 V

Question 20

In a RLC series circuit, _____ is the same through all components and the _____ are out of phase.

Accepted Answer

A)  voltage; currents 
B)  current; voltages 
A)  voltage; currents 
B)  current; voltages

Exam 24: Resistive Inductive Capacitive Series Circuits

The difference between the two frequencies at which the current is 0.707 of the maximum current value is the _____.

An RLC series circuit has an applied voltage of 240 volts. R = 48 Ω , XL = 100 Ω , XC = 36 Ω , and Z = 80 Ω . What is the total current?

An RLC series circuit has an applied voltage of 240 volts. R = 48 Ω , XL = 100 Ω , XC = 36 Ω , and Z = 80 Ω . What is the voltage drop across the capacitor?

An RLC series circuit has an applied voltage of 120 volts. R = 42 Ω , XL = 80 Ω , and XC = 24 Ω . What is the true power?

If a RLC series circuit contains more inductive VARs than capacitive VARs, the circuit has a _____ power factor.

An RLC series circuit is powered by a 120-V, 60-Hz supply. It contains an inductor that has an inductive reactance of 50 Ω and a wire resistance of 10 Ω . What is the inductance of the inductor?

An RLC series circuit has an applied voltage of 240 volts. R = 48 Ω and the voltage across it is 96 V. What is the circuit power factor?

In a RLC series circuit, the point at which XL and XC are equal is called _____.

An RLC series circuit is powered by a 120-V, 60-Hz supply. It contains a capacitor that has an XL of 50 Ω . What is the capacitance of the capacitor?

An RLC series circuit has an applied voltage of 240 volts. R = 48 Ω , XL = 100 Ω , XC = 36 Ω , and Z = 80 Ω . What is the reactive power of the capacitor?

An RLC series circuit has R = 42 Ω , XL = 80 Ω , and XC = 24 Ω . What is angle theta?

An RLC series circuit has an applied voltage of 277 volts. The current through the resistor is 3.5 A. What is the apparent power of the circuit?

An RLC series circuit has R = 56 Ω , XL = 64 Ω , and XC = 37 Ω . What is the value of Z?

If the voltage in a RLC series circuit is ahead of the current, the power factor is referred to as _____.

If the voltage is behind the current i n a RLC series circuit, the power factor is referred to as _____.

An RLC series circuit has an applied voltage of 240 volts. R = 48 Ω , XL = 100 Ω , XC = 36 Ω , and Z = 80 Ω . What is the reactive power of the inductor?

If the current leads the voltage i n a RLC series circuit, the power factor is referred to as _____.

An RLC series circuit has an applied voltage of 240 volts. R = 48 Ω , XL = 100 Ω , XC = 36 Ω , and Z = 80 Ω . What is the voltage drop across the inductor?

An RLC series circuit has an applied voltage of 240 volts. R = 51 Ω , XL = 100 Ω , and XC = 32 Ω . The voltage drop across the inductor is 282 V. What is the voltage drop on the resistor?

In a RLC series circuit, _____ is the same through all components and the _____ are out of phase.

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An RLC series circuit has an applied voltage of 240 volts. R = 48 Ω , X_L = 100 Ω , X_C = 36 Ω , and Z = 80 Ω . What is the total current?

An RLC series circuit has an applied voltage of 240 volts. R = 48 Ω , X_L = 100 Ω , X_C = 36 Ω , and Z = 80 Ω . What is the voltage drop across the capacitor?

An RLC series circuit has an applied voltage of 120 volts. R = 42 Ω , X_L = 80 Ω , and X_C = 24 Ω . What is the true power?

In a RLC series circuit, the point at which X_L and X_C are equal is called _____.

An RLC series circuit is powered by a 120-V, 60-Hz supply. It contains a capacitor that has an X_L of 50 Ω . What is the capacitance of the capacitor?

An RLC series circuit has an applied voltage of 240 volts. R = 48 Ω , X_L = 100 Ω , X_C = 36 Ω , and Z = 80 Ω . What is the reactive power of the capacitor?

An RLC series circuit has R = 42 Ω , X_L = 80 Ω , and X_C = 24 Ω . What is angle theta?

An RLC series circuit has R = 56 Ω , X_L = 64 Ω , and X_C = 37 Ω . What is the value of Z?

An RLC series circuit has an applied voltage of 240 volts. R = 48 Ω , X_L = 100 Ω , X_C = 36 Ω , and Z = 80 Ω . What is the reactive power of the inductor?

An RLC series circuit has an applied voltage of 240 volts. R = 48 Ω , X_L = 100 Ω , X_C = 36 Ω , and Z = 80 Ω . What is the voltage drop across the inductor?

An RLC series circuit has an applied voltage of 240 volts. R = 51 Ω , X_L = 100 Ω , and X_C = 32 Ω . The voltage drop across the inductor is 282 V. What is the voltage drop on the resistor?

In a RLC series circuit, _ is the same through all components and the _ are out of phase.