Electronic Principles Household light bulbs have a given power rating, and they operate at 120 V. Which one of the following equations most directly provides the current rating of these light bulbs? None of these P = E2/R I = P/E P = IE P = I2R None of these P = E2/R I = P/E P = IE P = I2R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? Current and voltages are in phase through a resistor Current leads the voltage through a resistor Current lags the voltage through a resistor None of these All of these Current and voltages are in phase through a resistor Current leads the voltage through a resistor Current lags the voltage through a resistor None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA? 20 V 18.8 V None of these 10.17 V 0.17 V 20 V 18.8 V None of these 10.17 V 0.17 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source? 0.955 A 0.02 A 0.41666666666667 2.02 A None of these 0.955 A 0.02 A 0.41666666666667 2.02 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current can flow through a normally open push button switch as long as: its contact remain open you are pressing the button its contact remain open None of these you are not pressing the button its contact remain open you are pressing the button its contact remain open None of these you are not pressing the button ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The graph of current gain versus collector current indicates that the current gain varies slightly None of these varies enormously equals the collector current divided by the base current is contant varies slightly None of these varies enormously equals the collector current divided by the base current is contant ANSWER DOWNLOAD EXAMIANS APP
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