Electronic Principles A device that converts light energy to electrical energy is called a: photodiode photo transistor thermocouple None of these solar cell photodiode photo transistor thermocouple None of these solar cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: the time required to complete one full cycle equal to 0.707 times the peak amplitude None of these the number of cycles completed in one second equal to 1.41 times the peak amplitude the time required to complete one full cycle equal to 0.707 times the peak amplitude None of these the number of cycles completed in one second equal to 1.41 times the peak amplitude ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of an inductive circuit: multiplies the inductive reactance by 6.28 cuts the inductive reactance in half doubles the amount of inductive reactance None of these has no effect on the inductive reactance multiplies the inductive reactance by 6.28 cuts the inductive reactance in half doubles the amount of inductive reactance None of these has no effect on the inductive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: increases the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals None of these has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals increases the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals None of these has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? Permeability Reluctance There is no valid comparison Permeance Retentivity Permeability Reluctance There is no valid comparison Permeance Retentivity ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Valence electrons Thermal energy Free electrons Doping None of these Valence electrons Thermal energy Free electrons Doping None of these ANSWER DOWNLOAD EXAMIANS APP