Esco Electrical Test Review (Questions and Answers) _ 100% Excel A+ Graded

Esco Electrical Test Review (Questions and Answers) _ 100% Excel A+ Graded What is current flow? - CORRECT ANSWER-D.The flow of electrons in a circuit What is impedance? - CORRECT ANSWER-A.Opposition to alternating current Like charges will - CORRECT ANSWER-B.Repel each other Any material that will readily release electrons is called: - CORRECT ANSWER-B.A conductor The symbol for current is: - CORRECT ANSWER-B. I Electricity can produce: - CORRECT ANSWER-D. All the above light heat magnetism The safety ground conductor is usually colored: - CORRECT ANSWER-B.Green An electron has: - CORRECT ANSWER-B.A negative charge Which of the following materials would be best suited for use as a semi-conductor? - CORRECT ANSWER-D.Silicon Which of the following meters must use internal power to check a load or circuit? - CORRECT ANSWER-A.Ohmmeter What would be the result if a 24 volt, 20 ohm contactor coil was wired in series with a 24 volt, 200 ohm control relay? - CORRECT ANSWER-B.Only the control relay would operate Three defrost heaters, each 15 ohms, are wired in parallel to a 120 volt power supply. How many Watts are consumed? - CORRECT ANSWER-C. 2880 When testing a capacitor with an analog or digital ohmmeter, the meter should: - CORRECT ANSWER-B.Measure low resistance then return to a high reading How much resistance must be placed in a 120 volt circuit to limit the current to 2 amps? - CORRECT ANSWER-A.60 ohms