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 = 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 The peak value of a sine waveform is: the amplitude at 1.41 times the maximum value the amplitude at 70.7% of the maximum value the amplitude at 90% of the maximum value None of these the maximum positive or negative value the amplitude at 1.41 times the maximum value the amplitude at 70.7% of the maximum value the amplitude at 90% of the maximum value None of these the maximum positive or negative value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: reduces the level of all frequencies by a significant amount has no effect on ac signals None of these passes higher-frequency signals and reduces lower-frequency signals passes lower-frequency signals and reduces higher-frequency signals reduces the level of all frequencies by a significant amount has no effect on ac signals None of these passes higher-frequency signals and reduces lower-frequency signals passes lower-frequency signals and reduces higher-frequency signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a parallel RLC circuit has the characteristics of a: parallel RC circuit None of these parallel RL circuit purely resistive circuit parallel RLC circuit operated above its resonant frequency parallel RC circuit None of these parallel RL circuit purely resistive circuit parallel RLC circuit operated above its resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles To get the Thevenin voltage, you have to Short the load resistor Short the voltage source Open the load resister None of these Open the voltage source Short the load resistor Short the voltage source Open the load resister None of these Open the voltage source 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 208 mA 300 mA 200 mA None of these 7.8 mA 208 mA 300 mA 200 mA None of these ANSWER DOWNLOAD EXAMIANS APP