Electronic Principles The rms value of a sine waveform is: the time required to complete one full cycle None of these equal to 1.41 times the peak amplitude equal to 0.707 times the peak amplitude the number of cycles completed in one second the time required to complete one full cycle None of these equal to 1.41 times the peak amplitude equal to 0.707 times the peak amplitude the number of cycles completed in one second 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? 200 mA None of these 300 mA 208 mA 7.8 mA 200 mA None of these 300 mA 208 mA 7.8 mA 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 voltage drop and amount of resistance? P = IE P = E2/R None of these I = P/E P = I2R P = IE P = E2/R None of these I = P/E P = I2R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between the kinds of charges for an electron and a proton? An electron has a negative charge and a proton has no charge An electron has a positive charge and a proton has a negative charge An electron has a negative charge and a proton has a positive charge None of these An electron has a positive charge and a proton has no charge An electron has a negative charge and a proton has no charge An electron has a positive charge and a proton has a negative charge An electron has a negative charge and a proton has a positive charge None of these An electron has a positive charge and a proton has no charge ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has a Norton current of 10 mA and a Norton resistance of 10 kW. What is the Thevenin circuit? 1000 V and a parallel resistance of 10 kOhm None of these 100 V and a parallel resistance of 10 k Ohm 1000 V and a series resistance of 10 k Ohm 100 V and a series resistance of 10 k Ohm 1000 V and a parallel resistance of 10 kOhm None of these 100 V and a parallel resistance of 10 k Ohm 1000 V and a series resistance of 10 k Ohm 100 V and a series resistance of 10 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Rectify line voltage None of these Amplify weak signals Emit light Regulate voltage Rectify line voltage None of these Amplify weak signals Emit light Regulate voltage ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS