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 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 Antiparallel to magnetic field In arbitrary direction ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Silicon is not suitable for fabrication of light emitting diodes because it is Narrowband gap semiconductor Wideband gap semiconductor An indirect band gap semiconductor Direct band gap semiconductor Narrowband gap semiconductor Wideband gap semiconductor An indirect band gap semiconductor Direct band gap semiconductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In monolithic ICs, all the components are fabricated by Oxidation Diffusion process Evaporation None Oxidation Diffusion process Evaporation None ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Which one of the following is not a characteristic of a ferroelectric material? Electric dipole moment Ferroelectric characteristic only above the curie point High dielectric constant No hysteresis Electric dipole moment Ferroelectric characteristic only above the curie point High dielectric constant No hysteresis ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Light dependent resistors are Highly doped semiconductor Either A or B Intrinsic semiconductor Lightly doped semiconductor Highly doped semiconductor Either A or B Intrinsic semiconductor Lightly doped semiconductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The depletion layer width of Junction Increases with heavy doping Is increased under reverse bias Decreases with light doping Is independent of applied voltage Increases with heavy doping Is increased under reverse bias Decreases with light doping Is independent of applied voltage ANSWER DOWNLOAD EXAMIANS APP
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