Electronic Devices and Circuits Silicon is not suitable for fabrication of light emitting diodes because it is Direct band gap semiconductor Wideband gap semiconductor An indirect band gap semiconductor Narrowband gap semiconductor Direct band gap semiconductor Wideband gap semiconductor An indirect band gap semiconductor Narrowband gap semiconductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In which of these is reverse recovery time nearly zero? Zener diode Schottky diode Tunnel diode PIN diode Zener diode Schottky diode Tunnel diode PIN diode ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Free electrons exist in Third band Second band Conduction band First band Third band Second band Conduction band First band ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In a semiconductor diode, the barrier offers opposition to Free electrons in N-region only Majority as well as minority carriers in both regions Holes in P-region only Majority carriers in both regions Free electrons in N-region only Majority as well as minority carriers in both regions Holes in P-region only Majority carriers in both regions ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits How many free electrons does a p type semiconductor has? Only those produced by doping Only those produced by thermal energy Those produced by doping as well as thermal energy Any of the above Only those produced by doping Only those produced by thermal energy Those produced by doping as well as thermal energy Any of the above ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The amount of photoelectric emission current depends on 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 Frequency of incident radiation Intensity of incident radiation ANSWER DOWNLOAD EXAMIANS APP