Electronic Principles Current and voltage are said to be in phase when: their waveforms are both ac or both dc All of these they have the same amplitude and frequency their waveforms cross through zero and reach positive and negative peaks at the same time None of these their waveforms are both ac or both dc All of these they have the same amplitude and frequency their waveforms cross through zero and reach positive and negative peaks at the same time None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately reflects the nature of ac power? The current in an ac circuit flows in one direction at a steady level The current in an ac circuit changes direction periodically None of these The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit flows in one direction at a steady level The current in an ac circuit changes direction periodically None of these The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction, but changes value periodically ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The saturation point is approximately the same as cutoff point upper end of the load line lower end of the load line None of these infinity cutoff point upper end of the load line lower end of the load line None of these infinity ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff? 20 k Ohm or more 200 k Ohm or less None of these 20 km or less 200 k Ohm or more 20 k Ohm or more 200 k Ohm or less None of these 20 km or less 200 k Ohm or more ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The basic unit of measurement for resistance is the: watt ohm volt ampere None of these watt ohm volt ampere None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the graph of current versus voltage is a straight line, the device is referred to as Active None of these Bipolar Linear Nonlinear Active None of these Bipolar Linear Nonlinear ANSWER DOWNLOAD EXAMIANS APP