Electronic Devices and Circuits An intrinsic silicon sample has 1 million free electrons at room temperature. As the temperature is increased The number of free electrons increases but the number of holes decreases The number of free electrons increases The number of free electrons and holes increase by the same amount The number of free electrons and holes increase but not by the same amount The number of free electrons increases but the number of holes decreases The number of free electrons increases The number of free electrons and holes increase by the same amount The number of free electrons and holes increase but not by the same amount ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In a bipolar transistor, the emitter base junction has Zero bias Zero or reverse bias Reverse bias Forward bias Zero bias Zero or reverse bias Reverse bias Forward bias ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The sensitivity of human eyes is maximum at White portion of spectrum Red portion of spectrum Green portion of spectrum Violet portion of spectrum White portion of spectrum Red portion of spectrum Green portion of spectrum Violet portion of spectrum ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Which one of the following is not a characteristic of a ferroelectric material? High dielectric constant 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits For a NPN bipolar transistor, what is the main stream of current in the base region? Diffusion of holes Drift of holes Drift of electrons Diffusion of electrons Diffusion of holes Drift of holes Drift of electrons Diffusion of electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Free electrons exist in First band Third band Conduction band Second band First band Third band Conduction band Second band ANSWER DOWNLOAD EXAMIANS APP
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