Electrical Practice Test With Verified Solutions And Complete 2023 Updates

What is current flow? Correct Answer: The flow of electrons in the circuit Current will _______ when voltage increases and resistance stays the same. Correct Answer: increase Will like charged particles will attract or repel each other? Correct Answer: Repel One kilowatt is equivalent to how many btus? Correct Answer: 3412 Electron flow is measured in? Correct Answer: amps A microamp is best expressed as _________ amps/of an amp Correct Answer: 1/1,000,000 of an amp What is the total resistance of an AC circuit, caused by inductive reactance, resistance, and capacitive reactance called? Correct Answer: Impedance One horsepower is equal to? Correct Answer: 746 watts A millivolt is vest expresses as ______ of a volt. Correct Answer: 1/1000 Electrical resistance is measured in? Correct Answer: Ohms The _________ is that part of an atom that can move from one atom to another. Correct Answer: Electron The unit of measurement for the charge a capacitor can sore is the? Correct Answer: Microfarad An electron has a ____ charge. Correct Answer: negative What is impedance? Correct Answer: Opposition to alternating current flow How are fuses sized? Correct Answer: by amps and voltage Impedance in a circuit is the result of? Correct Answer: Pure resistance, inductive reactance, and capacitive reactance How much resistance must be in place in a 220-volt circuit to limit the current to 2 amps? Correct Answer: 110 ohms Electrical power is measured in? Correct Answer: Watts If there were a current flowing of 5 amperes in 120-volt circuit, what would the resistance be? Correct Answer: 24 ohms If the resistance in a 120-volt circuit was 40 ohms, what would the current be in amperes? Correct Answer: 3 Continues...