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 Hall effect is observed in a specimen when it is carrying current and is placed in a magnetic field. The resultant electric field inside the specimen is Normal to both current and magnetic field Antiparallel to magnetic field In arbitrary direction In the direction of current Normal to both current and magnetic field Antiparallel to magnetic field In arbitrary direction In the direction of current ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits How many free electrons does a p type semiconductor has? Any of the above Those produced by doping as well as thermal energy Only those produced by thermal energy Only those produced by doping Any of the above Those produced by doping as well as thermal energy Only those produced by thermal energy Only those produced by doping ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits An electron in the conduction band Loses its charge easily Has lower energy than the electron in the valence band Has higher energy than the electron in the valence band Jumps to the top of the crystal Loses its charge easily Has lower energy than the electron in the valence band Has higher energy than the electron in the valence band Jumps to the top of the crystal ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The amount of photoelectric emission current depends on Frequency of incident radiation Intensity of incident radiation Both frequency and intensity of incident radiation None of these Frequency of incident radiation Intensity of incident radiation Both frequency and intensity of incident radiation None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Permalloy is A polymer A variety of stainless steel A nickel an iron alloy having high permeability A conon-ferrous alloy used in aircraft industry A polymer A variety of stainless steel A nickel an iron alloy having high permeability A conon-ferrous alloy used in aircraft industry ANSWER DOWNLOAD EXAMIANS APP