NEC 2017 Journeyman Prep Quiz with
Complete Solutions
In a series circuit with two resistors, the total resistance is equal to the _____ of the two resistors.
A. Difference
B. Product over the sum
C. Sum
D. Quotient Correct Answ_Sum
A series circuit has a total resistance of 180 Ohms and an applied voltage of 120 V. What is the
current flow?
A. 300 A
B. 1.5 A
C. 60 A
D. 0.667 A Correct Answ_0.667 A
The two resistors in a series circuit have voltages of 25 V and 60 V. The applied voltage is
_____.
A. 35 V
,B. 85 V
C. 25 V
D. 60 V Correct Answ_85 V
A series circuit has two resistors. The resistors dissipate 10 W and 15 W. What is the total power
dissipation of the circuit?
A. 10 W
B. 5 W
C. 25 W
D. 15 W Correct Answ_25 W
A three-resistor circuit has a total power of 25 W. Two of the resistors dissipate 10 W and 5 W
respectively. How much power does the third resistor dissipate?
A. 25 W
B. 10 W
C. 2 W
D. 15 W Correct Answ_10 W
,Circuits that have more than one path for current flow are _____ circuits.
A. Parallel
B. Series
C. Combination
D. Short Correct Answ_Parallel
In a parallel circuit, the total resistance is _____ value resistance.
A. Larger than the smallest
B. Smaller than the smallest
C. Equal to the largest
D. Equal to the smallest Correct Answ_Smaller than the smallest
A two-branch parallel circuit has 2 A of current in one branch and 3 A in the other branch. The
branch considered to carry the larger load is the branch with _____ A.
A. 2
B. 3
C. 5
D. 6 Correct Answ_3
, A two-branch parallel circuit has a 30 Ohms and a 15 Ohms resistor. What is the total resistance?
A. 2 Ohms
B. 10 Ohms
C. 45 Ohms
D. 15 Ohms Correct Answ_10 Ohms
A three branch parallel circuit has resistors of 27 Ohms, 56 Ohms, and 15 Ohms. What is the
total resistance?
A. 9.64 Ohms
B. 98 Ohms
C. 18.22 Ohms
D. 8.22 Ohms Correct Answ_8.22 Ohms
What NEC article has the majority of definitions?
Select one:
A. Table of contents
B. article 100
Complete Solutions
In a series circuit with two resistors, the total resistance is equal to the _____ of the two resistors.
A. Difference
B. Product over the sum
C. Sum
D. Quotient Correct Answ_Sum
A series circuit has a total resistance of 180 Ohms and an applied voltage of 120 V. What is the
current flow?
A. 300 A
B. 1.5 A
C. 60 A
D. 0.667 A Correct Answ_0.667 A
The two resistors in a series circuit have voltages of 25 V and 60 V. The applied voltage is
_____.
A. 35 V
,B. 85 V
C. 25 V
D. 60 V Correct Answ_85 V
A series circuit has two resistors. The resistors dissipate 10 W and 15 W. What is the total power
dissipation of the circuit?
A. 10 W
B. 5 W
C. 25 W
D. 15 W Correct Answ_25 W
A three-resistor circuit has a total power of 25 W. Two of the resistors dissipate 10 W and 5 W
respectively. How much power does the third resistor dissipate?
A. 25 W
B. 10 W
C. 2 W
D. 15 W Correct Answ_10 W
,Circuits that have more than one path for current flow are _____ circuits.
A. Parallel
B. Series
C. Combination
D. Short Correct Answ_Parallel
In a parallel circuit, the total resistance is _____ value resistance.
A. Larger than the smallest
B. Smaller than the smallest
C. Equal to the largest
D. Equal to the smallest Correct Answ_Smaller than the smallest
A two-branch parallel circuit has 2 A of current in one branch and 3 A in the other branch. The
branch considered to carry the larger load is the branch with _____ A.
A. 2
B. 3
C. 5
D. 6 Correct Answ_3
, A two-branch parallel circuit has a 30 Ohms and a 15 Ohms resistor. What is the total resistance?
A. 2 Ohms
B. 10 Ohms
C. 45 Ohms
D. 15 Ohms Correct Answ_10 Ohms
A three branch parallel circuit has resistors of 27 Ohms, 56 Ohms, and 15 Ohms. What is the
total resistance?
A. 9.64 Ohms
B. 98 Ohms
C. 18.22 Ohms
D. 8.22 Ohms Correct Answ_8.22 Ohms
What NEC article has the majority of definitions?
Select one:
A. Table of contents
B. article 100
