Electronic Devices and Circuits Which one of the following is not a characteristic of a ferroelectric material? Ferroelectric characteristic only above the curie point No hysteresis Electric dipole moment High dielectric constant Ferroelectric characteristic only above the curie point No hysteresis Electric dipole moment High dielectric constant 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 electrons Drift of holes Diffusion of holes Diffusion of electrons Drift of electrons Drift of holes Diffusion of holes Diffusion of electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Which of the following has highest resistivity? Paraffin wax Mica Air Mineral oil Paraffin wax Mica Air Mineral oil ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits If too large current passes through the diode Excessive heat may damage the diode All holes will freeze Diode will emit light All electrons will leave Excessive heat may damage the diode All holes will freeze Diode will emit light All electrons will leave ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits At room temperature the current in an intrinsic semiconductor is due to Holes Holes and electrons Ions Electrons Holes Holes and electrons Ions Electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The amount of photoelectric emission current depends on Frequency of incident radiation 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 ANSWER DOWNLOAD EXAMIANS APP