HVAC Excellence - ELECTRICITY Exam 2024 Guide with complete solution

HVAC Excellence - ELECTRICITY Exam 2024 Guide with complete solution Current flow is: - Correct Answers The flow of electrons in the circuit. Impedance is: - Correct Answers Opposition to alternating current flow. Like charges; - Correct Answers repel each other. Any material that will readily release electrons is called; - Correct Answers A conductor The symbol for current is; - Correct Answers I Which of the following materials would be best suited for use as a semi-conductor? - Correct Answers silicon The safety ground conductor is usually color coded; - Correct Answers green or bare. An electron has; - Correct Answers a negative charge. Resistance is: - Correct Answers Opposition to current flow. How many watts of power are used by a heater operating at 240 volts and drawing 5 amps? - Correct Answers 1200 watts Which of the following meters must use its internal power to check a load or circuit? - Correct Answers Ohmmeter In electrical wiring, a black colored wire in an alternating current circuit usually indicates; - Correct Answers the hot conductor. Fuses are sized by: - Correct Answers Volts & Amps What would be the result, if a 24 volt, 20-ohm low voltage conta ctor coil were wired in series with a 24 volt,