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 In the direction of current Normal to both current and magnetic field Antiparallel to magnetic field In arbitrary direction In the direction of current Normal to both current and magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In which of these is reverse recovery time nearly zero? Zener diode Schottky diode Tunnel diode PIN diode Zener diode Schottky diode Tunnel diode PIN diode ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The forbidden energy gap between the valence band and conduction band will be least in case of All of these Semiconductors Metals Insulators All of these Semiconductors Metals Insulators ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits If too large current passes through the diode Diode will emit light All electrons will leave All holes will freeze Excessive heat may damage the diode Diode will emit light All electrons will leave All holes will freeze Excessive heat may damage the diode ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The most commonly used semiconductor material is Mixture of silicon and germanium None of these Germanium Silicon Mixture of silicon and germanium None of these Germanium Silicon ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In a bipolar transistor, the base collector junction has Zero bias Forward bias Zero or forward bias Reverse bias Zero bias Forward bias Zero or forward bias Reverse bias ANSWER DOWNLOAD EXAMIANS APP
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