Electronic Principles Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91? 100 W 20 W 1000 W 200 W None of these 100 W 20 W 1000 W 200 W None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? P = E2/R R = E2/P None of these P = PR I = P/E P = E2/R R = E2/P None of these P = PR I = P/E ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The merging of a free electron and a hole is called None of these Recombination Covalent bonding Thermal energy Lifetime None of these Recombination Covalent bonding Thermal energy Lifetime 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 flows in one direction at a steady level The current in an ac circuit flows in one direction, but changes value periodically 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 at a steady level The current in an ac circuit flows in one direction, but changes value periodically 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical pressure to electrical energy is called a: solar cell nicad cell photodiode None of these piezoelectric device solar cell nicad cell photodiode None of these piezoelectric device ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit? The ac voltage leads the current by 90 degree Combinations of resistance and capacitive reactance provide any opposition to current flow Capacitive reactance provides the only opposition to current flow None of these Resistances provide the only opposition to current flow The ac voltage leads the current by 90 degree Combinations of resistance and capacitive reactance provide any opposition to current flow Capacitive reactance provides the only opposition to current flow None of these Resistances provide the only opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
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