Electronic Devices and Circuits Light dependent resistors are Lightly doped semiconductor Intrinsic semiconductor Either A or B Highly doped semiconductor Lightly doped semiconductor Intrinsic semiconductor Either A or B Highly doped semiconductor 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 High dielectric constant No hysteresis Electric dipole moment Ferroelectric characteristic only above the curie point High dielectric constant No hysteresis Electric dipole moment ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The most commonly used semiconductor material is None of these Silicon Mixture of silicon and germanium Germanium None of these Silicon Mixture of silicon and germanium Germanium ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits For a NPN bipolar transistor, what is the main stream of current in the base region? Drift of holes Diffusion of holes Diffusion of electrons Drift of electrons Drift of holes Diffusion of holes Diffusion of electrons Drift of electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Piezoelectric quartz crystal resonators find application where Signal frequency control is required Rectification of the signal is required Signal amplification is required Modulation of signal is required Signal frequency control is required Rectification of the signal is required Signal amplification is required Modulation of signal is required 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 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 In the direction of current ANSWER DOWNLOAD EXAMIANS APP
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