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? P = I2R None of these P = IE P = E2/R I = P/E P = I2R None of these P = IE P = E2/R I = P/E ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question? 1000 W 20 W None of these 200 W 100 W 1000 W 20 W None of these 200 W 100 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which is the most widely used semiconductor? None of these Copper All of these Germanium Silicon None of these Copper All of these Germanium Silicon ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a parallel RLC circuit: always decreases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance None of these always increases as the applied frequency increases is maximum at the resonant frequency always decreases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance None of these always increases as the applied frequency increases is maximum at the resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a transistor operates at the middle of the load line, an increase in the base resistance will move the Q point off the load line down nowhere up None of these off the load line down nowhere up None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? An electron that has been freed from its parent atom An electron that has no electrical charge An electron that has twice the amount of charge of a normal electron An electron that costs nothing None of these An electron that has been freed from its parent atom An electron that has no electrical charge An electron that has twice the amount of charge of a normal electron An electron that costs nothing None of these ANSWER DOWNLOAD EXAMIANS APP
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