NETA Certified Technician Exam (Level II, III, or IV)

Question 1

A technician is analyzing a series AC circuit operating at 60 Hz. The circuit contains a resistor (R) of 8 ohms, an inductor with an inductive reactance (XL) of 10 ohms, and a capacitor with a capacitive reactance (XC) of 4 ohms. What is the total impedance (Z) of this circuit?

14.0 ohms 10.0 ohms 22.0 ohms 6.0 ohms

Correct Answer:

10.0 ohms

Question 2

In an AC power system, which of the following best describes the relationship between true power (P), reactive power (Q), and apparent power (S)?

Apparent power is the algebraic sum of true power and reactive power. True power is the vector sum of apparent power and reactive power. Reactive power is always greater than apparent power. Apparent power is the vector sum of true power and reactive power.

Correct Answer:

Apparent power is the vector sum of true power and reactive power.

Question 3

A technician closes a switch to apply a DC voltage source to a circuit containing only a resistor and a large inductor in series. Immediately at the instant the switch is closed (t=0), how does the inductor behave?

As a short circuit, with maximum current flow. As a closed switch with no voltage drop. As an open circuit, with maximum voltage drop. As a resistor equal to its DC resistance.

Correct Answer:

As an open circuit, with maximum voltage drop.

Question 4

A field service report notes that a three-phase transformer is consistently running hotter than its nameplate rating would suggest, despite the load current being within limits. Which of the following is the most likely cause for the overheating?

Low system frequency Excessive capacitive loading High levels of harmonic distortion A leading power factor

Correct Answer:

High levels of harmonic distortion

Question 5

A technician uses a power quality analyzer on an AC circuit and measures the true power as 4.0 kW and the apparent power as 5.0 kVA. What is the power factor of this circuit?

0.80 1.25 0.75 0.90

Correct Answer:

0.80

Exam overview

About this Exam

Prepare with the NETA Certified Technician Exam (Level II, III, or IV) practice quiz. This question bank includes 100 questions covering testing, circuit, power, neta, and current. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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NETA Certified Technician Exam (Level II, III, or IV)

This practice set contains 100 questions from the matching question bank and focuses on testing, circuit, power, neta, and current. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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About this Exam

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NETA Certified Technician Exam (Level II, III, or IV)

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