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 I = P/E P = IE None of these P = E2/R P = I2R I = P/E P = IE None of these P = E2/R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: round off both the voltage and current waveforms None of these peak the current and round off the voltage waveforms peak the voltage and round off the current waveforms peak both the voltage and current waveforms round off both the voltage and current waveforms None of these peak the current and round off the voltage waveforms peak the voltage and round off the current waveforms peak both the voltage and current waveforms 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? 100 W None of these 1000 W 20 W 200 W 100 W None of these 1000 W 20 W 200 W 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? 7.8 mA None of these 208 mA 300 mA 200 mA 7.8 mA None of these 208 mA 300 mA 200 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A flashlight battery has internal resistance of 1W. For what values of load resistance does the flashlight battery appear stiff? 60 Ohm 100 Ohm or more 10 Ohm None of these 50 Ohm 60 Ohm 100 Ohm or more 10 Ohm None of these 50 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts thermal energy to electrical energy is called a: solar cell thermocouple chemical cell None of these piezoelectric devices solar cell thermocouple chemical cell None of these piezoelectric devices ANSWER DOWNLOAD EXAMIANS APP
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