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? 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 P = E2/R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: always decreases as the applied frequency increases is minimum at the resonant frequency always increases as the applied frequency increases is maximum at the resonant frequency None of these always decreases as the applied frequency increases is minimum at the resonant frequency always increases as the applied frequency increases is maximum at the resonant frequency None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current? P = I2R P = IE None of these I = P/E P = E2/R P = I2R P = IE None of these I = P/E P = E2/R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? None of these 24 V 18 V 30 V 12 V None of these 24 V 18 V 30 V 12 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The basic unit of measurement for current is the: watt None of these volt ohm ampere watt None of these volt ohm ampere ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has None of these many free electrons many holes No holes a few free electrons and holes None of these many free electrons many holes No holes a few free electrons and holes ANSWER DOWNLOAD EXAMIANS APP
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