Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? None of these Chemical energy Electronical energy Mechanical energy Solar energy None of these Chemical energy Electronical energy Mechanical energy Solar energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately reflects the nature of ac power? The current in an ac circuit changes direction periodically None of these The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit flows in one direction at a steady level The current in an ac circuit changes direction periodically None of these The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit flows in one direction at a steady level ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? Three - negative, positive and neutral terminals One - a negative terminal Two - a negative terminal and a positive terminal Four - two negative and two positive None of these Three - negative, positive and neutral terminals One - a negative terminal Two - a negative terminal and a positive terminal Four - two negative and two positive None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The Norton current is sometimes called the Shorted-load current Thevenin voltage None of these Thevenin current Open-load current Shorted-load current Thevenin voltage None of these Thevenin current Open-load current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Most AC power is obtained from: None of these lightning oscillators batteries generators None of these lightning oscillators batteries generators ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a parallel RL circuit? The current always has the same amplitude and phase for every part of the circuit The total current leads the total voltage by less than 90 None of these The total current is less than the sum of the currents through the resistance and inductance The total current is equal to the sum of the currents through the resistance and inductance The current always has the same amplitude and phase for every part of the circuit The total current leads the total voltage by less than 90 None of these The total current is less than the sum of the currents through the resistance and inductance The total current is equal to the sum of the currents through the resistance and inductance ANSWER DOWNLOAD EXAMIANS APP
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