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IBEW Aptitude Test Electrical Fundamentals Questions and Answers Flashcards

6 cards from real IBEW practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 IBEW Aptitude Test Electrical Fundamentals Questions and Answers flashcards as text

  1. What is the unit of electrical resistance?

    Answer: Ohm

    The ohm (Ω) is the SI unit of electrical resistance, named after Georg Simon Ohm.

  2. Ohm's Law states that voltage (V) equals:

    Answer: Current × Resistance

    Ohm's Law is V = I × R, where V is voltage, I is current in amperes, and R is resistance in ohms.

  3. In a series circuit with resistors of 10Ω and 20Ω, what is the total resistance?

    Answer: 30Ω

    In a series circuit, resistances add directly: 10Ω + 20Ω = 30Ω.

  4. What is the unit of electrical current?

    Answer: Ampere

    The ampere (A) is the SI base unit for measuring the flow of electric current.

  5. Which material is the best conductor of electricity among these options?

    Answer: Copper

    Copper has very low electrical resistance and is the most commonly used conductor in electrical wiring.

  6. What device is used to measure voltage in an electrical circuit?

    Answer: Voltmeter

    A voltmeter measures the potential difference (voltage) between two points in a circuit and is connected in parallel.