Electronic Principles A device that converts light energy to electrical energy is called a: solar cell None of these photodiode thermocouple photo transistor solar cell None of these photodiode thermocouple photo transistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the highest permeability? None of these A paramagnetic material All of these A diamagnetic material A ferromagnetic material None of these A paramagnetic material All of these A diamagnetic material A ferromagnetic material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The graph of current gain versus collector current indicates that the current gain equals the collector current divided by the base current None of these is contant varies slightly varies enormously equals the collector current divided by the base current None of these is contant varies slightly varies enormously ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately applies to the frequency of a waveform? The higher the amplitude of a waveform, the higher its frequency The longer the period of a waveform, the lower its frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz The actual frequency of a sine waveform is 1.41 times the working frequency None of these The higher the amplitude of a waveform, the higher its frequency The longer the period of a waveform, the lower its frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz The actual frequency of a sine waveform is 1.41 times the working frequency None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a negative ion? An atom that contains more protons than electrons An atom that contains more electrons than protons An atom that contains more protons than neutrons None of these An atom that contains more electrons than neutrons An atom that contains more protons than electrons An atom that contains more electrons than protons An atom that contains more protons than neutrons None of these An atom that contains more electrons than neutrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 30 V 18 V 24 V None of these 12 V 30 V 18 V 24 V None of these 12 V ANSWER DOWNLOAD EXAMIANS APP