Electronic Devices and Circuits For a NPN bipolar transistor, what is the main stream of current in the base region? Drift of holes Drift of electrons Diffusion of electrons Diffusion of holes Drift of holes Drift of electrons Diffusion of electrons Diffusion of holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In a half wave rectifier, the load current flows Only for the positive half cycle of the input signal Only for the negative half cycle of the input signal For less than fourth cycle For full cycle Only for the positive half cycle of the input signal Only for the negative half cycle of the input signal For less than fourth cycle For full cycle ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The sensitivity of human eyes is maximum at Red portion of spectrum Green portion of spectrum Violet portion of spectrum White portion of spectrum Red portion of spectrum Green portion of spectrum Violet portion of spectrum White portion of spectrum ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Forbidden energy gap in germanium at 0 K is about 0.78 eV 2 eV 5 eV 10 eV 0.78 eV 2 eV 5 eV 10 eV ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The amount of photoelectric emission current depends on None of these Both frequency and intensity of incident radiation Intensity of incident radiation Frequency of incident radiation None of these Both frequency and intensity of incident radiation Intensity of incident radiation Frequency of incident radiation ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits As compared to bipolar junction transistor, a FET Is less noisy All of these Has better thermal stability Has higher input resistance Is less noisy All of these Has better thermal stability Has higher input resistance ANSWER DOWNLOAD EXAMIANS APP
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