Deck 23: Resistive-Capacitive Parallel Circuits

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Question
In an RC parallel circuit, ET = 208 V, R = 42 k Ω , and XC = 47 k Ω . What is Z?

A) 19 k Ω
B) 22.18 k Ω
C) 23.03 k Ω
D) 31.32 k Ω
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Question
In an RC parallel circuit, ET = 240 V, R = 4 k Ω , and XC = 3.3 k Ω . What is IR?

A) 32.88 mA
B) 46.28 mA
C) 60 mA
D) 72.72 mA
Question
In an RC parallel circuit, ET = 120 V, R = 40 Ω , and XC = 30 Ω . What is IT?

A) 5 A
B) 6 A
C) 7 A
D) 8 A
Question
In an RC parallel circuit, ET = 277 V, R = 82 k Ω , and XC = 33 k Ω . What is the apparent power?

A) 2.33 VA
B) 2.51 VA
C) 2.93 VA
D) 3.26 VA
Question
In an RC parallel circuit, ET = 240 V, R = 10 k Ω , and XC = 8.2 k Ω . What is IC?

A) 18.56 mA
B) 29.27 mA
C) 33.18 mA
D) 44 mA
Question
In an RC parallel circuit, ET = 240 V, R = 40 Ω , and XC = 30 Ω . What is IC?

A) 3.42 A
B) 4.8 A
C) 6 A
D) 8 A
Question
In an RC parallel circuit, ET = 240 V, R = 500 Ω , and XC = 470 Ω . What is the reactive power?

A) 59.38 VARs
B) 83.94 VARs
C) 122.55 VARs
D) 215.2 VARs
Question
In an RC parallel circuit, the amount of phase angle shift depends on the ratio of the amount of _____.

A) resistance to capacitance
B) watts to volt-amperes
C) capacitance to voltage
D) VARs to volt-amperes
Question
In an RC parallel circuit, ET = 240 V, R = 1000 Ω , and XC = 1500 Ω . What is the apparent power?

A) 38.4 VA
B) 57.6 VA
C) 56 VA
D) 69.23 VA
Question
In an RC parallel circuit, ET = 240 V, R = 40 Ω , and XC = 30 Ω . What is IR?

A) 3.42 A
B) 4 A
C) 4.8 A
D) 6 A
Question
In an RC parallel circuit, ET = 120 V, R = 300 Ω , and XC = 400 Ω . What is P?

A) 20.57 W
B) 36 W
C) 48.8 W
D) 58 W
Question
In an RC parallel circuit, ET = 120 V, R = 3.6 k Ω , and XC = 5.6 k Ω . What is P?

A) 4 W
B) 5.57 W
C) 6.16 W
D) 7 W
Question
In an RC parallel circuit, ET = 277 V, R = 24 k Ω , and XC = 39 k Ω . What is the power factor?

A) 10%
B) 61.54%
C) 85.17%
D) 92.41%
Question
In an RC parallel circuit, ET = 480 V, R = 50 k Ω , and XC = 47 k Ω . What is the reactive power?

A) 4.90 VARs
B) 5.36 VARs
C) 6.38 VARs
D) 7.61 VARs
Question
In an RC parallel circuit, ET = 120 V, R = 420 Ω , and XC = 330 Ω . What is Z?

A) 140 Ω
B) 230 Ω
C) 259.62 Ω
D) 534.13 Ω
Question
In an RC parallel circuit, ET = 120 V, R = 40 Ω , and XC = 30 Ω . What is the power factor?

A) 60%
B) 80%
C) 100%
D) 133%
Question
In an RC parallel circuit, the current flow through the capacitor will lead both the resistive current and applied voltage by _____.

A) 60 °
B) 90 °
C) 180 °
D) 360 °
Question
In an RC parallel circuit, ET = 120 V, R = 47 k Ω , and XC = 27 k Ω . What is IT?

A) 4.62 mA
B) 5.13 mA
C) 6.44 mA
D) 7.55 mA
Question
In an RC parallel circuit, the supply voltage is 120 V, 60 Hz. The resistance is 40 Ω and the capacitive reactance is 30 Ω . What is the capacitance of the capacitor?

A) 37.89 μ F
B) 53.05 μ F
C) 66.31 μ F
D) 88.42 μ F
Question
In an RC parallel circuit, the voltage across the resistor and the voltage across the capacitor are _____.

A) less than 90 ° out of phase with the resistor voltage lagging
B) in phase
C) less than 90 ° out of phase with the resistor voltage leading
D) 180 ° out of phase
Question
In an RC parallel circuit, ET = 208 V, R = 68 k Ω , and XC = 56 k Ω . What is the phase angle (angle theta)?

A) 39.47 °
B) 40 °
C) 44.56 °
D) 50.53 °
Question
In an RC parallel circuit, ET = 240 V, R = 30 Ω , and XC = 60 Ω . What is the phase angle (angle theta)?

A) 26.57 °
B) 30 °
C) 63.43 °
D) 90 °
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Deck 23: Resistive-Capacitive Parallel Circuits
1
In an RC parallel circuit, ET = 208 V, R = 42 k Ω , and XC = 47 k Ω . What is Z?

A) 19 k Ω
B) 22.18 k Ω
C) 23.03 k Ω
D) 31.32 k Ω
D
2
In an RC parallel circuit, ET = 240 V, R = 4 k Ω , and XC = 3.3 k Ω . What is IR?

A) 32.88 mA
B) 46.28 mA
C) 60 mA
D) 72.72 mA
C
3
In an RC parallel circuit, ET = 120 V, R = 40 Ω , and XC = 30 Ω . What is IT?

A) 5 A
B) 6 A
C) 7 A
D) 8 A
A
4
In an RC parallel circuit, ET = 277 V, R = 82 k Ω , and XC = 33 k Ω . What is the apparent power?

A) 2.33 VA
B) 2.51 VA
C) 2.93 VA
D) 3.26 VA
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5
In an RC parallel circuit, ET = 240 V, R = 10 k Ω , and XC = 8.2 k Ω . What is IC?

A) 18.56 mA
B) 29.27 mA
C) 33.18 mA
D) 44 mA
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6
In an RC parallel circuit, ET = 240 V, R = 40 Ω , and XC = 30 Ω . What is IC?

A) 3.42 A
B) 4.8 A
C) 6 A
D) 8 A
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7
In an RC parallel circuit, ET = 240 V, R = 500 Ω , and XC = 470 Ω . What is the reactive power?

A) 59.38 VARs
B) 83.94 VARs
C) 122.55 VARs
D) 215.2 VARs
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8
In an RC parallel circuit, the amount of phase angle shift depends on the ratio of the amount of _____.

A) resistance to capacitance
B) watts to volt-amperes
C) capacitance to voltage
D) VARs to volt-amperes
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9
In an RC parallel circuit, ET = 240 V, R = 1000 Ω , and XC = 1500 Ω . What is the apparent power?

A) 38.4 VA
B) 57.6 VA
C) 56 VA
D) 69.23 VA
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10
In an RC parallel circuit, ET = 240 V, R = 40 Ω , and XC = 30 Ω . What is IR?

A) 3.42 A
B) 4 A
C) 4.8 A
D) 6 A
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11
In an RC parallel circuit, ET = 120 V, R = 300 Ω , and XC = 400 Ω . What is P?

A) 20.57 W
B) 36 W
C) 48.8 W
D) 58 W
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12
In an RC parallel circuit, ET = 120 V, R = 3.6 k Ω , and XC = 5.6 k Ω . What is P?

A) 4 W
B) 5.57 W
C) 6.16 W
D) 7 W
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13
In an RC parallel circuit, ET = 277 V, R = 24 k Ω , and XC = 39 k Ω . What is the power factor?

A) 10%
B) 61.54%
C) 85.17%
D) 92.41%
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14
In an RC parallel circuit, ET = 480 V, R = 50 k Ω , and XC = 47 k Ω . What is the reactive power?

A) 4.90 VARs
B) 5.36 VARs
C) 6.38 VARs
D) 7.61 VARs
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15
In an RC parallel circuit, ET = 120 V, R = 420 Ω , and XC = 330 Ω . What is Z?

A) 140 Ω
B) 230 Ω
C) 259.62 Ω
D) 534.13 Ω
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16
In an RC parallel circuit, ET = 120 V, R = 40 Ω , and XC = 30 Ω . What is the power factor?

A) 60%
B) 80%
C) 100%
D) 133%
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17
In an RC parallel circuit, the current flow through the capacitor will lead both the resistive current and applied voltage by _____.

A) 60 °
B) 90 °
C) 180 °
D) 360 °
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18
In an RC parallel circuit, ET = 120 V, R = 47 k Ω , and XC = 27 k Ω . What is IT?

A) 4.62 mA
B) 5.13 mA
C) 6.44 mA
D) 7.55 mA
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19
In an RC parallel circuit, the supply voltage is 120 V, 60 Hz. The resistance is 40 Ω and the capacitive reactance is 30 Ω . What is the capacitance of the capacitor?

A) 37.89 μ F
B) 53.05 μ F
C) 66.31 μ F
D) 88.42 μ F
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20
In an RC parallel circuit, the voltage across the resistor and the voltage across the capacitor are _____.

A) less than 90 ° out of phase with the resistor voltage lagging
B) in phase
C) less than 90 ° out of phase with the resistor voltage leading
D) 180 ° out of phase
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21
In an RC parallel circuit, ET = 208 V, R = 68 k Ω , and XC = 56 k Ω . What is the phase angle (angle theta)?

A) 39.47 °
B) 40 °
C) 44.56 °
D) 50.53 °
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22
In an RC parallel circuit, ET = 240 V, R = 30 Ω , and XC = 60 Ω . What is the phase angle (angle theta)?

A) 26.57 °
B) 30 °
C) 63.43 °
D) 90 °
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Unlock for access to all 22 flashcards in this deck.