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NCCER 26404 Basic Electrical Theory Questions and Answers | Latest Version | 2024/2025 | Correct & Verified £7.49
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NCCER 26404 Basic Electrical Theory Questions and Answers | Latest Version | 2024/2025 | Correct & Verified
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NCCER 26404 Basic Electrical Theory Questions and Answers | Latest Version | 2024/2025 | Correct & Verified What is the purpose of a capacitor in an electrical circuit? A capacitor stores and releases electrical energy to help smooth out voltage fluctuations. How do you calculate the tot...

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  • December 10, 2024
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  • 2024/2025
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NCCER 26404 Basic Electrical Theory
Questions and Answers | Latest Version
| 2024/2025 | Correct & Verified
What is the purpose of a capacitor in an electrical circuit?


✔✔A capacitor stores and releases electrical energy to help smooth out voltage fluctuations.




How do you calculate the total resistance in a series circuit?


✔✔In a series circuit, the total resistance is the sum of all individual resistances.




How do you calculate the total resistance in a parallel circuit?


✔✔In a parallel circuit, the total resistance is found by using the formula 1/R_total = 1/R1 +

1/R2 + 1/R3 + ... for each resistor.




What is the function of an inductor in an electrical circuit?


✔✔An inductor stores electrical energy in a magnetic field and resists changes in current.




What is a voltmeter used for?


✔✔A voltmeter measures the voltage, or potential difference, across two points in a circuit.


1

, What is the function of a diode in an electrical circuit?


✔✔A diode allows current to flow in only one direction and blocks it in the opposite direction.




What does an ammeter measure?


✔✔An ammeter measures the current flowing through a circuit.




What is the purpose of electrical insulation?


✔✔Electrical insulation prevents unintended flow of current and protects people from electrical

shock.




What is Ohm's Law?


✔✔Ohm's Law states that the current in a circuit is directly proportional to the voltage and

inversely proportional to the resistance (I = V/R).




What is the unit of electrical resistance?


✔✔The unit of electrical resistance is the ohm (Ω).




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