Electronic Principles A device that converts thermal energy to electrical energy is called a: piezoelectric devices solar cell chemical cell thermocouple None of these piezoelectric devices solar cell chemical cell thermocouple None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The north pole of a magnet is the one: None of these that has its molecules arranged in a random pattern that would be attracted to the earth's south magnetic pole that would be repelled by the south pole of another magnet that would be attracted to the earth's north magnetic pole None of these that has its molecules arranged in a random pattern that would be attracted to the earth's south magnetic pole that would be repelled by the south pole of another magnet that would be attracted to the earth's north magnetic pole ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: increasing the frequency of the applied voltage decreasing the area of the plates None of these increasing the voltage applied to the plates increasing the area of the plates increasing the frequency of the applied voltage decreasing the area of the plates None of these increasing the voltage applied to the plates increasing the area of the plates ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? None of these 38.74 V 35.4 V 30.4 V 37.4 V None of these 38.74 V 35.4 V 30.4 V 37.4 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? Current and voltages are in phase through a resistor Current lags the voltage through a resistor Current leads the voltage through a resistor None of these All of these Current and voltages are in phase through a resistor Current lags the voltage through a resistor Current leads the voltage through a resistor None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Thevenin theorem replaces a complicated circuit facing a load by an Ideal voltage source and series resistor Ideal current source and series resistor Ideal voltage source and parallel resistor Ideal current source and parallel resistor None of these Ideal voltage source and series resistor Ideal current source and series resistor Ideal voltage source and parallel resistor Ideal current source and parallel resistor None of these ANSWER DOWNLOAD EXAMIANS APP
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