NCCER ELECTRICAL LEVEL 1 MOD 4 ELECTRICAL THEORY EXAM 2026 QUESTIONS AND
ANSWERS | A+ GRADED | WITH EXPERT SOLUTIONS
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
In a parallel circuit, the voltage across each path is equal to the _____________. - (ANSWER)applied
voltage
A resistor of 32Ω is in parallel with a resistor of 36Ω, and a 54Ω resistor is in series with the pair. When
350V is applied to the combination, the current through the 54Ω resistor is ____________. -
(ANSWER)4.93A
ANSWERS | A+ GRADED | WITH EXPERT SOLUTIONS
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
In a parallel circuit, the voltage across each path is equal to the _____________. - (ANSWER)applied
voltage
A resistor of 32Ω is in parallel with a resistor of 36Ω, and a 54Ω resistor is in series with the pair. When
350V is applied to the combination, the current through the 54Ω resistor is ____________. -
(ANSWER)4.93A
