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 The most commonly used semiconductor material is Germanium Mixture of silicon and germanium None of these Silicon Germanium Mixture of silicon and germanium None of these Silicon ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Power diodes are generally Silicon diodes Either of the above Germanium diodes None of these Silicon diodes Either of the above Germanium diodes None of these 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 The sensitivity of human eyes is maximum at Green portion of spectrum White portion of spectrum Violet portion of spectrum Red portion of spectrum Green portion of spectrum White portion of spectrum Violet portion of spectrum Red portion of spectrum 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 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 In the direction of current ANSWER DOWNLOAD EXAMIANS APP