NCCER Electrical
NCCER Electrical Level 1 Mod 4 Electrical Theory
Exam Questions & Answers
Which of the following is true regarding a series circuit? - ANSWER ✔ - The current flow is the
same through all resistors.
Which of the following is true regarding a parallel circuit? - ANSWER ✔ - It has more than one
path for current to flow.
Which of the following is true regarding a series-parallel circuit? - ANSWER ✔ - If a circuit is
reduced to an equivalent series circuit, the total resistance is found by adding the loads.
Two branches of a circuit (R1 and R2) across a 120V power line draw a total line current of 30A.
Branch R1 takes 15A. What is the current I2 in branch R2? - ANSWER ✔ - 15A
Who stated that the current entering a point must equal the total current leaving that point? -
ANSWER ✔ - Kirchoff
In a circuit with an applied voltage of 10V and voltage drops of E1 = 2V, E2 = 5V, and E3 = ?, the
value of E3 must be____________. - ANSWER ✔ - 3V
You can use Ohm's law to find the value of each branch current in a parallel circuit. - ANSWER ✔
- True
Find the total resistance in a series circuit with three resistances of 100Ω, 20Ω, and 30Ω. -
ANSWER ✔ - 60
1|P A G E
NCCER Electrical Level 1 Mod 4 Electrical Theory
Exam Questions & Answers
Which of the following is true regarding a series circuit? - ANSWER ✔ - The current flow is the
same through all resistors.
Which of the following is true regarding a parallel circuit? - ANSWER ✔ - It has more than one
path for current to flow.
Which of the following is true regarding a series-parallel circuit? - ANSWER ✔ - If a circuit is
reduced to an equivalent series circuit, the total resistance is found by adding the loads.
Two branches of a circuit (R1 and R2) across a 120V power line draw a total line current of 30A.
Branch R1 takes 15A. What is the current I2 in branch R2? - ANSWER ✔ - 15A
Who stated that the current entering a point must equal the total current leaving that point? -
ANSWER ✔ - Kirchoff
In a circuit with an applied voltage of 10V and voltage drops of E1 = 2V, E2 = 5V, and E3 = ?, the
value of E3 must be____________. - ANSWER ✔ - 3V
You can use Ohm's law to find the value of each branch current in a parallel circuit. - ANSWER ✔
- True
Find the total resistance in a series circuit with three resistances of 100Ω, 20Ω, and 30Ω. -
ANSWER ✔ - 60
1|P A G E
