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NCCER ELECTRICAL LEVEL 1 MOD 4
ELECTRICAL THEORY EXAM
QUESTIONS WITH CORRECT
ANSWERS LATEST UPDATE 2026
Which of the following is true regarding a series circuit? - correct answer-The current flow is the same through all resistors. Which of the following is true regarding a parallel circuit? - correct answer-It has more than one path for current to flow. Which of the following is true regarding a series-parallel circuit? - correct 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? - correct answer-15A
Who stated that the current entering a point must equal the total current leaving that point? - correct answer-Kirchoff In a circuit with an applied voltage of 10V and voltage drops of E = 2V, E2 = 5V, and E3 = ?, the value of E3 must be____________. - correct answer-3V You can use Ohm's law to find the value of each branch current in a parallel circuit. - correct answer-True Find the total resistance in a series circuit with three resistances of 100Ω, 20Ω, and 30Ω. - correct answer- 60 In a parallel circuit, the voltage across each path is equal to the _____________. - correct 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 ____________. - correct answer-4.93A
What is the resistance of a light bulb that uses 15 watts of power when placed across a 15volt battery? - correct answer- 15 The statement that total current entering a point must equal total current leaving that point best describes _____. - correct answer- Kirchhoff's current law A circuit diagram shows that the circuit divides into separate branches and there are also series loads. This is a(n) _____. - correct answer-series-parallel circuit The total resistance of four resistors in parallel with values of 3, 10, 25, and 50 ohms is _____. - correct answer-2.03 ohms According to Kirchhoff's voltage law, the total voltage drop in a circuit is equal to the _____. - correct answer-voltage of the power source A ______________ contains only one path for current flow. - correct answer-series circuit
_____________ contains two or more parallel paths through which current can flow. - correct answer-Parallel circuits ______________states that the total amount of current flowing through a parallel circuit is equal to the sum of the amounts of current flowing through each current path. - correct answer- Kirchhoff's current law _____________ states that the sum of all the voltage drops in a circuit is equal to the source voltage of the circuit. - correct answer-Kirchhoff's voltage law
