Electronic Devices and Circuits In a bipolar transistor, the emitter base junction has Forward bias Zero or reverse bias Zero bias Reverse bias Forward bias Zero or reverse bias Zero bias Reverse bias 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 arbitrary direction Normal to both current and magnetic field Antiparallel to magnetic field In the direction of current In arbitrary direction Normal to both current and magnetic field Antiparallel to magnetic field In the direction of current ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits As compared to bipolar junction transistor, a FET Has better thermal stability All of these Is less noisy Has higher input resistance Has better thermal stability All of these Is less noisy Has higher input resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The amount of photoelectric emission current depends on Frequency of incident radiation None of these Both frequency and intensity of incident radiation Intensity of incident radiation Frequency of incident radiation None of these Both frequency and intensity of incident radiation Intensity of incident radiation ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits When avalanche breakdown occurs covalent bonds are not affected. True False True False 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. A is true but R is false Both A and R are true and R is correct explanation of A Both A and R are true but R is not a correct explanation of A A is false but R is true A is true but R is false Both A and R are true and R is correct explanation of A Both A and R are true but R is not a correct explanation of A A is false but R is true ANSWER DOWNLOAD EXAMIANS APP