SERIES NCCER ELECTRICAL LEVEL 1 MOD 4 ELECTRICAL THEORY COMPLETE QUESTIONS AND CORRECT ANSWERS | GRADED AND THE LATEST SERIES

2025-2026 SERIES
NCCER ELECTRICAL LEVEL 1 MOD 4 ELECTRICAL
THEORY COMPLETE QUESTIONS AND CORRECT
ANSWERS | GRADED AND THE LATEST SERIES
Which of the following is true regarding a series circuit?


Ans: The current flow is the same through all resistors.


Question: Which of the following is true regarding a parallel circuit?


Ans: It has more than one path for current to flow.


Question: Which of the following is true regarding a series-parallel circuit?


Ans: If a circuit is reduced to an equivalent series circuit, the total resistance is
found by adding the loads.


Question: 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?


Ans: 15A


Question: Who stated that the current entering a point must equal the total

current leaving that point?


Ans: Kirchoff


Question: 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____________.

, 2025-2026 SERIES
Ans: 3V


Question: You can use Ohm's law to find the value of each branch current in a

parallel circuit.


Ans: True


Question: Find the total resistance in a series circuit with three resistances of

100Ω, 20Ω, and 30Ω.


Ans: 60


Question: In a parallel circuit, the voltage across each path is equal to the

_____________.


Ans: applied voltage


Question: 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 ____________.


Ans: 4.93A


Question: A 242Ω resistor is in parallel with a 180Ω resistor, and a 420Ω

resistor is in series with the combination in a 27V circuit. A current of 22mA flows