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 Antiparallel to magnetic field In arbitrary direction Normal to both current and magnetic field In the direction of current Antiparallel to magnetic field In arbitrary direction Normal to both current and magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits A transistor has a current gain of 0.99 in the CB mode. Its current gain in the CC mode is 100 0.99 1.01 99 100 0.99 1.01 99 ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Power diodes are generally Either of the above Silicon diodes Germanium diodes None of these Either of the above Silicon diodes Germanium diodes None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits How many free electrons does a p type semiconductor has? Those produced by doping as well as thermal energy Only those produced by doping Any of the above Only those produced by thermal energy Those produced by doping as well as thermal energy Only those produced by doping Any of the above Only those produced by thermal energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In a bipolar transistor, the emitter base junction has Reverse bias Zero or reverse bias Zero bias Forward bias Reverse bias Zero or reverse bias Zero bias Forward bias ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Free electrons exist in First band Conduction band Second band Third band First band Conduction band Second band Third band ANSWER DOWNLOAD EXAMIANS APP