Electrical Systems exam 2023 with complete answers

Electricity correct answersa form of energy generated by friction, induction or chemical change, having magnetic, chemical and radiant effect. Storage Batteries correct answersare used to supply emergency lighting circuits for hallways, stairways, exits and to energize police and fire alarm systems and certain types of signal systems. Generators correct answersfor generating electric current Alternating Current Generators/Alternators correct answersThe bulk of electrical energy utilized today is in the form of alternating current, including Direct Current Generators correct answersThese furnish electrical energy for elevators, escalators, intercommunicating telephone systems, control of signal systems, and clock systems. Motors correct answersfor converting electrical energy to mechanical energy. TRANSFORMERS correct answersfor converting one voltage to another, from lower to higher or from higher to lower ROTARY CONVERTERS correct answersfor changing alternating current to direct current and vice versa.