Electronic Devices and Circuits In a bipolar transistor, the emitter base junction has Zero or reverse bias Reverse bias Zero bias Forward bias Zero or reverse bias Reverse bias Zero bias Forward bias ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Assertion (A): A VMOS can handle much larger current than other field effect transistors.Reason (R): In a VMOS the conducting channel is very narrow. Both A and R are true and R is correct explanation of A A is false but R is true Both A and R are true but R is not a correct explanation of A A is true but R is false Both A and R are true and R is correct explanation of A A is false but R is true Both A and R are true but R is not a correct explanation of A A is true but R is false 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 In arbitrary direction Antiparallel to magnetic field Normal to both current and magnetic field In the direction of current In arbitrary direction Antiparallel to magnetic field Normal to both current and magnetic field ANSWER DOWNLOAD EXAMIANS APP
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 When diodes are connected in series to increase voltage rating the peak inverse voltage per junction should not exceed one third the breakdown voltage should not exceed the breakdown voltage should not exceed half the breakdown voltage may be equal to or less than breakdown voltage should not exceed one third the breakdown voltage should not exceed the breakdown voltage should not exceed half the breakdown voltage may be equal to or less than breakdown voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In a semiconductor diode, the barrier offers opposition to Holes in P-region only Free electrons in N-region only Majority carriers in both regions Majority as well as minority carriers in both regions Holes in P-region only Free electrons in N-region only Majority carriers in both regions Majority as well as minority carriers in both regions ANSWER DOWNLOAD EXAMIANS APP