Electronic Devices and Circuits When avalanche breakdown occurs covalent bonds are not affected. False True False True 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 Diffusion of electrons Drift of electrons Drift of holes Diffusion of holes Diffusion of electrons Drift of electrons Drift of holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Which of the following has highest resistivity? Paraffin wax Air Mica Mineral oil Paraffin wax Air Mica Mineral oil ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits As compared to bipolar junction transistor, a FET All of these Has higher input resistance Is less noisy Has better thermal stability All of these Has higher input resistance Is less noisy Has better thermal stability ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits At room temperature the current in an intrinsic semiconductor is due to Ions Holes and electrons Holes Electrons Ions Holes and electrons Holes Electrons ANSWER DOWNLOAD EXAMIANS APP
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