Electronic Principles How much power is being dissipated by a 1000 W resistance that has 25 V applied to it? 80 W 0.625 W None of these 325 kW 0.24 W 80 W 0.625 W None of these 325 kW 0.24 W 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 = E2/R I = P/E None of these P = I2R P = IE P = E2/R I = P/E None of these P = I2R P = IE ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 200 mW 10 mW 300 mW 20 mW None of these 200 mW 10 mW 300 mW 20 mW None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02 micro F capacitor that is operating from a 12-V ac, 100-Hz source? 2.02 A 0.995 mA 0.151 mA None of these 157 raA 2.02 A 0.995 mA 0.151 mA None of these 157 raA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage? The voltage remains at one polarity and at a steady level The voltage reverses polarity periodically The voltage remains at one polarity but changes value periodically The voltage causes current to flow in two directions at the same time None of these The voltage remains at one polarity and at a steady level The voltage reverses polarity periodically The voltage remains at one polarity but changes value periodically The voltage causes current to flow in two directions at the same time None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 208 mA None of these 300 mA 200 mA 7.8 mA 208 mA None of these 300 mA 200 mA 7.8 mA ANSWER DOWNLOAD EXAMIANS APP
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