Electronic Devices and Circuits How many free electrons does a p type semiconductor has? Only those produced by thermal energy Any of the above Only those produced by doping Those produced by doping as well as thermal energy Only those produced by thermal energy Any of the above Only those produced by doping Those produced by doping as well as thermal energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The forbidden energy gap between the valence band and conduction band will be least in case of Semiconductors All of these Insulators Metals Semiconductors All of these Insulators Metals ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Forbidden energy gap in germanium at 0 K is about 10 eV 2 eV 5 eV 0.78 eV 10 eV 2 eV 5 eV 0.78 eV ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In a half wave rectifier, the load current flows 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 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The amount of photoelectric emission current depends on None of these Frequency of incident radiation Both frequency and intensity of incident radiation Intensity of incident radiation None of these Frequency of incident radiation Both frequency and intensity of incident radiation Intensity of incident radiation ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In a bipolar transistor, the emitter base junction has Zero bias Zero or reverse bias Reverse bias Forward bias Zero bias Zero or reverse bias Reverse bias Forward bias ANSWER DOWNLOAD EXAMIANS APP