Question 1

A three branch parallel circuit has resistors of 27 Ω , 56 Ω , and 15 Ω . What is the total resistance?

Accepted Answer

A)   9.64 Ω
B)   98 Ω
C)   18.22 Ω
D)   8.23 ΩE) A) and D)
F) None of the above

Question 2

The voltage drop across any branch of a parallel circuit is the same as _______________ voltage.

Accepted Answer

The answer of The voltage drop across any branch of...

Question 3

In a parallel circuit, the total current flow is equal to the _____ of the currents through all the branches.

Accepted Answer

A)   difference
B)   average
C)   sum
D)   quotientE) A) and B)
F) A) and C)

Question 4

Imagine a water system with a holding tank, pump, and return lines. What would happen to the resistance to flow if a return path is added to the system?

Accepted Answer

A)   It increases
B)   It lessens
C)   It stays the sameD) A) and B)
E) A) and C)

Question 5

Most devices such as light receptacles in homes and office buildings are connected in _______________ circuits.

Accepted Answer

The answer of Most devices such as light receptacles in...

Question 6

A three-branch parallel circuit has a total resistance of 385.83 Ω . Two of the resistors are 680 Ω and 1500 Ω . What is the value of the third resistor?

Accepted Answer

A)   2180 Ω
B)   2200 Ω
C)   467.89 Ω
D)   246.16 ΩE) C) and D)
F) A) and C)

Question 7

In a parallel circuit, the voltage across each branch must be _______________.

Accepted Answer

equal

Question 8

An increase in _____, not resistance, results in an increase of load.

Accepted Answer

A)   power
B)   current
C)   voltage
D)   wattageE) A) and B)
F) None of the above

Question 9

In a parallel circuit, the total resistance is _____ value resistor.

Accepted Answer

A)   larger than the lowest
B)   less than the lowest
C)   equal to the largest
D)   equal to the lowestE) All of the above
F) C) and D)

Question 10

A method for finding total resistance of parallel resistors is _____.

Accepted Answer

A)   product over sum
B)   reciprocal formula
C)   resistors of equal value
D)   all of the aboveE) B) and D)
F) All of the above

Question 11

The term "load" refers to the amount of _____ in a circuit branch.

Accepted Answer

A)   current
B)   resistance
C)   voltage
D)   wattageE) A) and D)
F) C) and D) A

Question 12

Parallel circuits are also referred to as _____.

Accepted Answer

A)   current dividers
B)   current multipliers
C)   voltage dividers
D)   voltage multipliersE) A) and C)
F) A) and B)

Question 13

A parallel circuit is composed of two 60 Ω resistors. What is the total resistance?

Accepted Answer

A)   1 Ω
B)   3600 Ω
C)   120 Ω
D)   30 ΩE) C) and D)
F) A) and D)

Question 14

A two-branch parallel circuit has a 30 Ω and a 15 Ω resistor. What is the total resistance?

Accepted Answer

A)   2 Ω
B)   10 Ω
C)   45 Ω
D)   15 ΩE) All of the above
F) A) and B) B

Question 15

To calculate current flow through any branch of a circuit by substituting the values of IX and RX for the branch values when total circuit current and the resistance are known, use t he _______________ formula.

Accepted Answer

Question 16

A parallel circuit composed of a 10 Ω and a 22 Ω resistor. It has a voltage of 60 V. What is the current in the 10 Ω resistor?

Accepted Answer

A)   6 A
B)   5 A
C)   2.73 A
D)   1.88 AE) A) and C)
F) None of the above

Question 17

The amount of current flowing through each resistor is directly proportional to its resistance.

Accepted Answer

A) True 
 B)False

Question 18

Circuits that have more than one path for current flow are _____ circuits.

Accepted Answer

A)   parallel
B)   series
C)   combinationD) B) and C)
E) A) and C)

Question 19

A parallel circuit composed of a 150 Ω and a 270 Ω resistor has a voltage of 120 V. What is the current in the 150 Ω resistor?

Accepted Answer

A)   0.29 A
B)   0.8 A
C)   1 A
D)   0.44 AE) B) and D)
F) All of the above

Exam 7: Parallel Circuits

A three branch parallel circuit has resistors of 27 Ω , 56 Ω , and 15 Ω . What is the total resistance?

Correct Answer
verified

The voltage drop across any branch of a parallel circuit is the same as _______________ voltage.

Correct Answer
verified

In a parallel circuit, the total current flow is equal to the _____ of the currents through all the branches.

Correct Answer
verified

Imagine a water system with a holding tank, pump, and return lines. What would happen to the resistance to flow if a return path is added to the system?

Correct Answer
verified

Most devices such as light receptacles in homes and office buildings are connected in _______________ circuits.

Correct Answer
verified

A three-branch parallel circuit has a total resistance of 385.83 Ω . Two of the resistors are 680 Ω and 1500 Ω . What is the value of the third resistor?

Correct Answer
verified

In a parallel circuit, the voltage across each branch must be _______________.

Correct Answer
verified
equal

An increase in _____, not resistance, results in an increase of load.

Correct Answer
verified

In a parallel circuit, the total resistance is _____ value resistor.

Correct Answer
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A method for finding total resistance of parallel resistors is _____.

Correct Answer
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The term "load" refers to the amount of _____ in a circuit branch.

Correct Answer
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A

Parallel circuits are also referred to as _____.

Correct Answer
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A parallel circuit is composed of two 60 Ω resistors. What is the total resistance?

Correct Answer
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A two-branch parallel circuit has a 30 Ω and a 15 Ω resistor. What is the total resistance?

Correct Answer
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B

To calculate current flow through any branch of a circuit by substituting the values of I_X and R_X for the branch values when total circuit current and the resistance are known, use t he _______________ formula.

Correct Answer
verified

A parallel circuit composed of a 10 Ω and a 22 Ω resistor. It has a voltage of 60 V. What is the current in the 10 Ω resistor?

Correct Answer
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The amount of current flowing through each resistor is directly proportional to its resistance.

Correct Answer
verified

Circuits that have more than one path for current flow are _____ circuits.

Correct Answer
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A parallel circuit composed of a 150 Ω and a 270 Ω resistor has a voltage of 120 V. What is the current in the 150 Ω resistor?

Correct Answer
verified

Exam 7: Parallel Circuits

A three branch parallel circuit has resistors of 27 Ω , 56 Ω , and 15 Ω . What is the total resistance?

Correct AnswerverifiedShow Answer

The voltage drop across any branch of a parallel circuit is the same as _______________ voltage.

Correct AnswerverifiedShow Answer

In a parallel circuit, the total current flow is equal to the _____ of the currents through all the branches.

Correct AnswerverifiedShow Answer

Imagine a water system with a holding tank, pump, and return lines. What would happen to the resistance to flow if a return path is added to the system?

Correct AnswerverifiedShow Answer

Most devices such as light receptacles in homes and office buildings are connected in _______________ circuits.

Correct AnswerverifiedShow Answer

A three-branch parallel circuit has a total resistance of 385.83 Ω . Two of the resistors are 680 Ω and 1500 Ω . What is the value of the third resistor?

Correct AnswerverifiedShow Answer

In a parallel circuit, the voltage across each branch must be _______________.

Correct Answerverifiedequal

An increase in _____, not resistance, results in an increase of load.

Correct AnswerverifiedShow Answer

In a parallel circuit, the total resistance is _____ value resistor.

Correct AnswerverifiedShow Answer

A method for finding total resistance of parallel resistors is _____.

Correct AnswerverifiedShow Answer

The term "load" refers to the amount of _____ in a circuit branch.

Correct AnswerverifiedA

Parallel circuits are also referred to as _____.

Correct AnswerverifiedShow Answer

A parallel circuit is composed of two 60 Ω resistors. What is the total resistance?

Correct AnswerverifiedShow Answer

A two-branch parallel circuit has a 30 Ω and a 15 Ω resistor. What is the total resistance?

Correct AnswerverifiedB

To calculate current flow through any branch of a circuit by substituting the values of IX and RX for the branch values when total circuit current and the resistance are known, use t he _______________ formula.

Correct AnswerverifiedShow Answer

A parallel circuit composed of a 10 Ω and a 22 Ω resistor. It has a voltage of 60 V. What is the current in the 10 Ω resistor?

Correct AnswerverifiedShow Answer

The amount of current flowing through each resistor is directly proportional to its resistance.

Correct AnswerverifiedShow Answer

Circuits that have more than one path for current flow are _____ circuits.

Correct AnswerverifiedShow Answer

A parallel circuit composed of a 150 Ω and a 270 Ω resistor has a voltage of 120 V. What is the current in the 150 Ω resistor?

Correct AnswerverifiedShow Answer

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equal

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A

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B

To calculate current flow through any branch of a circuit by substituting the values of I_X and R_X for the branch values when total circuit current and the resistance are known, use t he _______________ formula.

Correct Answer
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