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 Antiparallel to magnetic field Normal to both current and magnetic field In arbitrary direction In the direction of current Antiparallel to magnetic field Normal to both current and magnetic field In arbitrary direction ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In a bipolar transistor, the emitter base junction has Zero bias Reverse bias Forward bias Zero or reverse bias Zero bias Reverse bias Forward bias Zero or reverse bias ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Power diodes are generally Silicon diodes None of these Germanium diodes Either of the above Silicon diodes None of these Germanium diodes Either of the above ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The sensitivity of human eyes is maximum at Green portion of spectrum Violet portion of spectrum White portion of spectrum Red portion of spectrum Green portion of spectrum Violet portion of spectrum White portion of spectrum Red portion of spectrum ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits At room temperature the current in an intrinsic semiconductor is due to Holes and electrons Electrons Holes Ions Holes and electrons Electrons Holes Ions ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits If too large current passes through the diode Diode will emit light Excessive heat may damage the diode All holes will freeze All electrons will leave Diode will emit light Excessive heat may damage the diode All holes will freeze All electrons will leave ANSWER DOWNLOAD EXAMIANS APP
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