NCCER Electrical Level 1 Mod 4 Electrical Theory Exam 2025 Questions & Answers with 100% Correct Answers | Verified

Which of the following is true regarding a series circuit? - The current flow is the same through all resistors. Which of the following is true regarding a parallel circuit? - It has more than one path for current to flow. Which of the following is true regarding a series-parallel circuit? - 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? - 15A Who stated that the current entering a point must equal the total current leaving that point? - 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____________. - 3V You can use Ohm's law to find the value of each branch current in a parallel circuit. - True Find the total resistance in a series circuit with three resistances of 100Ω, 20Ω, and 30Ω. - 60 In a parallel circuit, the voltage across each path is equal to the _____________. - 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 ____________. - 4.93A