Electrical Mechanic/Test Technician Exam questions and 100% correct answers 2026/2027
Electrical Mechanic/Test Technician Exam questions and 100% correct answers 2026/2027 Voltage an electromotive force or potential difference expressed in volts. Potential to do work. Direct Current (DC) Electric current that flows in only one direction Alternating Current (AC) A flow of electric charge that regularly reverses its direction. Bidirectional. Wattage the electrical power consumed by a device. Coulomb the SI unit of electric charge, equal to the quantity of electricity conveyed in one second by a current of one ampere. 1 amp = 1 coulomb/sec 1 amp = 6.25 x 10 (18) Ohm unit of electrical resistance Ampere (amp) Unit that measures the strength of an electric current. Ammeter a device used to measure current in amperes. Voltmeter a device used to measure electrical potential or voltage. Wattmeter Measures electric power in watts Megger An instrument used for checking the insulation resistance on motors, feeders, bus bar systems, grounds, and branch circuit wiring. Read in millions of ohms.
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electrical mechanictest technician exam