Question 1

In a parallel circuit, ET = 240 V, R = 30 Ω , and XL = 40 Ω . What is the power factor?

Accepted Answer

A)   33%
B)   75%
C)   80%
D)   90%

Question 2

In a parallel circuit, ET = 277 V, R = 33 k Ω , and XL = 42 k Ω . What is Z?

Accepted Answer

A)   13.41 k Ω
B)   22.48 k Ω
C)   25.95 k Ω
D)   38.48 k Ω

Question 3

In a parallel circuit, ET = 120 V, R = 1500 Ω , and XL = 1000 Ω . What is the apparent power?

Accepted Answer

A)   17.31 VA
B)   24 VA
C)   29.6 VA
D)   34.40 VA

Question 4

In a parallel circuit, ET = 240 V, R = 330 Ω , and XL = 420 Ω . What is Z?

Accepted Answer

A)   120 Ω
B)   170 Ω
C)   259.62 Ω
D)   534.13 Ω

Question 5

In a parallel circuit, ET = 208 V, R = 33 k Ω , and XL = 82 k Ω . What is the apparent power?

Accepted Answer

A)   0.14 VA
B)   0.31 VA
C)   1.22 VA
D)   1.41 VA D

Question 6

In a parallel circuit, ET = 277 V, R = 56 k Ω , and XL = 68 k Ω . What is the phase angle (angle theta) ?

Accepted Answer

A)   34.56 °
B)   39.47 °
C)   50.53 °
D)   90 °

Question 7

In a parallel circuit, ET = 120 V, R = 30 Ω , and XL = 60 Ω . What is the phase angle (angle theta) ?

Accepted Answer

A)   13.49 °
B)   26.51 °

Question 8

In a parallel circuit, ET = 208 V, R = 39 k Ω , and XL = 24 k Ω . What is the power factor?

Accepted Answer

A)   31.61%
B)   52.4%
C)   85%
D)   95%

Question 9

In a parallel circuit, ET = 120 V, R = 8.2 k Ω , and XL = 10 k Ω . What is IL?

Accepted Answer

A)   6.59 mA
B)   9.28 mA
C)   12 mA
D)   14.63 mA

Question 10

In a parallel circuit, the supply voltage is 120 V, 60 Hz. The resistance is 30 Ω and the inductive reactance is 40 Ω . What is the value of the inductor?

Accepted Answer

A)   0.106 H
B)   0.196 H
C)   0.233 H
D)   0.363 H

Question 11

In a parallel circuit, ET = 240 V, R = 47 k Ω , and XL = 50 k Ω . What is the reactive power?

Accepted Answer

A)   0.54 VARs
B)   0.89 VARs
C)   1.15 VARs
D)   1.23 VARs

Question 12

In a parallel circuit, ET = 120 V, R = 30 Ω , and XL = 40 Ω . What is IR?

Accepted Answer

A)   1.71 A
B)   2.4 A
C)   3 A
D)   4 A

Question 13

In a parallel circuit, the voltage across the resistor and the voltage across the inductor are _____.

Accepted Answer

A)   in phase
B)   180 ° out of phase
C)   less than 90 ° out of phase with the resistor voltage leading
D)   less than 90 ° out of phase with the resistor voltage lagging

Question 14

In a parallel circuit, ET = 120 V, R = 30 Ω , and XL = 40 Ω . What is IL?

Accepted Answer

A)   1.71 A
B)   2.4 A
C)   3 A
D)   4 A

Question 15

In a parallel circuit, ET = 240 V, R = 30 Ω , and XL = 40 Ω . What is IT?

Accepted Answer

A)   3.43 A
B)   6 A
C)   8.43 A
D)   10 A

Question 16

In a parallel circuit, ET = 120 V, R = 470 Ω , and XL = 500 Ω . What is the reactive power?

Accepted Answer

A)   20.98 VARs
B)   28.8 VARs
C)   34.85 VARs
D)   39.64 VARs B

Question 17

In a parallel circuit, ET = 240 V, R = 400 Ω , and XL = 300 Ω . What is P?

Accepted Answer

A)   82.29 W
B)   115.2 W
C)   122 W
D)   144 W

Question 18

In a parallel circuit, ET = 120 V, R = 3.3 k Ω , and XL = 4 k Ω . What is IR?

Accepted Answer

A)   16.44 mA
B)   23.14 mA
C)   30 mA
D)   36.36 mA

Question 19

In a parallel circuit, ET = 240 V, R = 5.6 k Ω , and XL = 3.6 k Ω . What is P?

Accepted Answer

A)   6.26 W
B)   8.65 W
C)   9 W
D)   10.28 W D

Question 20

In a parallel circuit, ET = 240 V, R = 27 k Ω , and XL = 47 k Ω . What is IT?

Accepted Answer

A)   3.24 mA
B)   10.25 mA
C)   18.89 mA
D)   50.11 mA

Exam 19: Resistive Inductive Parallel Circuits

In a parallel circuit, ET = 240 V, R = 30 Ω , and XL = 40 Ω . What is the power factor?

Correct AnswerverifiedShow Answer

In a parallel circuit, ET = 277 V, R = 33 k Ω , and XL = 42 k Ω . What is Z?

Correct AnswerverifiedShow Answer

In a parallel circuit, ET = 120 V, R = 1500 Ω , and XL = 1000 Ω . What is the apparent power?

Correct AnswerverifiedShow Answer

In a parallel circuit, ET = 240 V, R = 330 Ω , and XL = 420 Ω . What is Z?

Correct AnswerverifiedShow Answer

In a parallel circuit, ET = 208 V, R = 33 k Ω , and XL = 82 k Ω . What is the apparent power?

Correct AnswerverifiedD

In a parallel circuit, ET = 277 V, R = 56 k Ω , and XL = 68 k Ω . What is the phase angle (angle theta) ?

Correct AnswerverifiedShow Answer

In a parallel circuit, ET = 120 V, R = 30 Ω , and XL = 60 Ω . What is the phase angle (angle theta) ?

Correct AnswerverifiedShow Answer

In a parallel circuit, ET = 208 V, R = 39 k Ω , and XL = 24 k Ω . What is the power factor?

Correct AnswerverifiedShow Answer

In a parallel circuit, ET = 120 V, R = 8.2 k Ω , and XL = 10 k Ω . What is IL?

Correct AnswerverifiedShow Answer

In a parallel circuit, the supply voltage is 120 V, 60 Hz. The resistance is 30 Ω and the inductive reactance is 40 Ω . What is the value of the inductor?

Correct AnswerverifiedShow Answer

In a parallel circuit, ET = 240 V, R = 47 k Ω , and XL = 50 k Ω . What is the reactive power?

Correct AnswerverifiedShow Answer

In a parallel circuit, ET = 120 V, R = 30 Ω , and XL = 40 Ω . What is IR?

Correct AnswerverifiedShow Answer

In a parallel circuit, the voltage across the resistor and the voltage across the inductor are _____.

Correct AnswerverifiedShow Answer

In a parallel circuit, ET = 120 V, R = 30 Ω , and XL = 40 Ω . What is IL?

Correct AnswerverifiedShow Answer

In a parallel circuit, ET = 240 V, R = 30 Ω , and XL = 40 Ω . What is IT?

Correct AnswerverifiedShow Answer

In a parallel circuit, ET = 120 V, R = 470 Ω , and XL = 500 Ω . What is the reactive power?

Correct AnswerverifiedB

In a parallel circuit, ET = 240 V, R = 400 Ω , and XL = 300 Ω . What is P?

Correct AnswerverifiedShow Answer

In a parallel circuit, ET = 120 V, R = 3.3 k Ω , and XL = 4 k Ω . What is IR?

Correct AnswerverifiedShow Answer

In a parallel circuit, ET = 240 V, R = 5.6 k Ω , and XL = 3.6 k Ω . What is P?

Correct AnswerverifiedD

In a parallel circuit, ET = 240 V, R = 27 k Ω , and XL = 47 k Ω . What is IT?

Correct AnswerverifiedShow Answer

In a parallel circuit, E_T = 240 V, R = 30 Ω , and X_L = 40 Ω . What is the power factor?

Correct Answer
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In a parallel circuit, E_T = 277 V, R = 33 k Ω , and X_L = 42 k Ω . What is Z?

Correct Answer
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In a parallel circuit, E_T = 120 V, R = 1500 Ω , and X_L = 1000 Ω . What is the apparent power?

Correct Answer
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In a parallel circuit, E_T = 240 V, R = 330 Ω , and X_L = 420 Ω . What is Z?

Correct Answer
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In a parallel circuit, E_T = 208 V, R = 33 k Ω , and X_L = 82 k Ω . What is the apparent power?

Correct Answer
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D

In a parallel circuit, E_T = 277 V, R = 56 k Ω , and X_L = 68 k Ω . What is the phase angle (angle theta) ?

Correct Answer
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In a parallel circuit, E_T = 120 V, R = 30 Ω , and X_L = 60 Ω . What is the phase angle (angle theta) ?

Correct Answer
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In a parallel circuit, E_T = 208 V, R = 39 k Ω , and X_L = 24 k Ω . What is the power factor?

Correct Answer
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In a parallel circuit, E_T = 120 V, R = 8.2 k Ω , and X_L = 10 k Ω . What is I_L?

Correct Answer
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Correct Answer
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In a parallel circuit, E_T = 240 V, R = 47 k Ω , and X_L = 50 k Ω . What is the reactive power?

Correct Answer
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In a parallel circuit, E_T = 120 V, R = 30 Ω , and X_L = 40 Ω . What is I_R?

Correct Answer
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Correct Answer
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In a parallel circuit, E_T = 120 V, R = 30 Ω , and X_L = 40 Ω . What is I_L?

Correct Answer
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In a parallel circuit, E_T = 240 V, R = 30 Ω , and X_L = 40 Ω . What is I_T?

Correct Answer
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In a parallel circuit, E_T = 120 V, R = 470 Ω , and X_L = 500 Ω . What is the reactive power?

Correct Answer
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B

In a parallel circuit, E_T = 240 V, R = 400 Ω , and X_L = 300 Ω . What is P?

Correct Answer
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In a parallel circuit, E_T = 120 V, R = 3.3 k Ω , and X_L = 4 k Ω . What is I_R?

Correct Answer
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In a parallel circuit, E_T = 240 V, R = 5.6 k Ω , and X_L = 3.6 k Ω . What is P?

Correct Answer
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D

In a parallel circuit, E_T = 240 V, R = 27 k Ω , and X_L = 47 k Ω . What is I_T?

Correct Answer
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