Electronic Devices and Circuits Work function is the maximum energy required by the fastest electron at 0 K to escape from the metal surface. False True False True ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The most commonly used semiconductor material is Mixture of silicon and germanium None of these Silicon Germanium Mixture of silicon and germanium None of these Silicon Germanium ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Which of the following has highest resistivity? Mica Paraffin wax Air Mineral oil Mica Paraffin wax Air Mineral oil ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits If too large current passes through the diode Diode will emit light All electrons will leave Excessive heat may damage the diode All holes will freeze Diode will emit light All electrons will leave Excessive heat may damage the diode All holes will freeze ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits For a P-N diode, the number of minority carriers crossing the junction depends on Rate of thermal generation of electron hole pairs Forward bias voltage Potential barrier None of these Rate of thermal generation of electron hole pairs Forward bias voltage Potential barrier None of these 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 the direction of current 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 ANSWER DOWNLOAD EXAMIANS APP