Electronic Principles Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage? The voltage causes current to flow in two directions at the same time The voltage reverses polarity periodically None of these The voltage remains at one polarity but changes value periodically The voltage remains at one polarity and at a steady level The voltage causes current to flow in two directions at the same time The voltage reverses polarity periodically None of these The voltage remains at one polarity but changes value periodically The voltage remains at one polarity and at a steady level ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts chemical energy to electrical energy is called a: solar cell None of these electric device chemical cell thermocouple solar cell None of these electric device chemical cell thermocouple ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The basic unit of measurement for resistance is the: volt watt None of these ohm ampere volt watt None of these ohm ampere ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: reduces the value of inductance by one-half multiplies the value of inductance by four has no effect on the inductance None of these multiplies the value of inductance by two reduces the value of inductance by one-half multiplies the value of inductance by four has no effect on the inductance None of these multiplies the value of inductance by two ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff? 20 k Ohm 1 k Ohm None of these 10 k Ohm 2 k Ohm 20 k Ohm 1 k Ohm None of these 10 k Ohm 2 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the collector current increases, what does the current gain do? decreases any of the above stays the same None of these increases decreases any of the above stays the same None of these increases ANSWER DOWNLOAD EXAMIANS APP