Electrical Theory & Application For HVACR Exam 100% Correct!

What is current flow? - ANSWERThe flow of electrons in a circuit. What is impedance? - ANSWEROpposition to alternating current flow. Any material that will readily release electrons is called - ANSWERa conductor The symbol for current is - ANSWERI Electricity can produce - ANSWERHeat, light, magnetism The safety ground conductor is usually color coded - ANSWERgreen an electron - ANSWERhas a negative charge What is resistance? - ANSWERopposition to current flow What type of meter uses its own battery? - ANSWEROhmmeter a black colored wire usually indicates - ANSWERa hot wire How are fuses sized? - ANSWERby amperage and voltage What is generally the maximum supply voltage variation? - ANSWER5% When testing a capacitor with an analog ohmmeter, the needle on the meter should; - ANSWERdeflect towards zero then return to an infinite reading What is the term used to explain the output side of a transformer? - ANSWERsecondary side 1 hp = - ANSWER746 watts In a series circuit, the voltage drop across each resistance will; - ANSWERdepend on the value of each resistor The total resistance of a parallel circuit will be; - ANSWERless than the smallest resistance