Electronic Devices and Circuits Free electrons exist in First band Conduction band Second band Third band First band Conduction band Second band Third band ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Light dependent resistors are Lightly doped semiconductor Highly doped semiconductor Either A or B Intrinsic semiconductor Lightly doped semiconductor Highly doped semiconductor Either A or B Intrinsic semiconductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In a bipolar transistor, the emitter base junction has Zero bias Zero or reverse bias Forward bias Reverse bias Zero bias Zero or reverse bias Forward bias Reverse bias ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The amount of photoelectric emission current depends on Intensity of incident radiation Both frequency and intensity of incident radiation None of these Frequency of incident radiation Intensity of incident radiation Both frequency and intensity of incident radiation None of these Frequency of incident radiation 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 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Which one of the following is not a characteristic of a ferroelectric material? Ferroelectric characteristic only above the curie point Electric dipole moment No hysteresis High dielectric constant Ferroelectric characteristic only above the curie point Electric dipole moment No hysteresis High dielectric constant ANSWER DOWNLOAD EXAMIANS APP
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