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 doping Only those produced by thermal energy Any of the above Those produced by doping as well as thermal energy Only those produced by doping Only those produced by 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 All of these Semiconductors Insulators Metals All of these Semiconductors Insulators Metals ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In which of these is reverse recovery time nearly zero? Zener diode Schottky diode PIN diode Tunnel diode Zener diode Schottky diode PIN diode Tunnel diode 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 In the direction of current 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Which one of the following is not a characteristic of a ferroelectric material? High dielectric constant No hysteresis Ferroelectric characteristic only above the curie point Electric dipole moment High dielectric constant No hysteresis Ferroelectric characteristic only above the curie point Electric dipole moment ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Permalloy is A variety of stainless steel A nickel an iron alloy having high permeability A polymer A conon-ferrous alloy used in aircraft industry A variety of stainless steel A nickel an iron alloy having high permeability A polymer A conon-ferrous alloy used in aircraft industry ANSWER DOWNLOAD EXAMIANS APP