Employment Electrical Questions & Answers 100% Correct!

What is current flow? - ANSWERThe flow of electrons in a circuit What is impedance? - ANSWEROpposition to alternating current Like charges will - ANSWERRepel each other Any material that will readily release electrons is called - ANSWERA conductor The symbol for current is - ANSWERI Electricity can produce - ANSWERLight, heat, magnetism. All the above The safety ground conductor is usually colored - ANSWERGreen An electron has - ANSWERNegative charge Which of the following materials would be best suited for use as a semi-conductor? - ANSWERSilicon Which of the following meters must use internal power to check a load or circuit? - ANSWEROhmmeter What would be the result if a 24volt, 20-ohm contactor coil was wired in series with a 24 volt, 200-ohm control relay - ANSWEROnly the control relay would operate Three defrost heaters, each 15 ohms, are wired in parallel to a 120v power supply. How many Watts are consumed? - ANSWER2880 When testing a capacitor with an analog or digital ohmmeter, the meter should: - ANSWERMeasure low resistance then return to a high reading How much resistance must be placed in 120v circuit to limit the current to 2 amps? - ANSWER60 ohms What is resistance? - ANSWEROpposition to electron flow In electrical wiring, a black colored wire indicates: - ANSWERA hot conductor