Electronic Devices and Circuits The forbidden energy gap between the valence band and conduction band will be least in case of Insulators Metals All of these Semiconductors Insulators Metals All of these Semiconductors 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 electrons Drift of holes Diffusion of holes Drift of electrons Diffusion of electrons Drift of holes Diffusion of holes Drift of electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The amount of photoelectric emission current depends on Both frequency and intensity of incident radiation Frequency of incident radiation Intensity of incident radiation None of these Both frequency and intensity of incident radiation Frequency of incident radiation Intensity of incident radiation None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits At room temperature the current in an intrinsic semiconductor is due to Electrons Ions Holes and electrons Holes Electrons Ions Holes and electrons Holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Free electrons exist in Second band First band Conduction band Third band Second band First band Conduction band Third band ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Assertion (A): A p-n junction has high resistance in reverse direction.Reason (R): When a reverse bias is applied to p-n junction, the width of depletion layer increases. A is true but R is false Both A and R are true and R is correct explanation of A Both A and R are true but R is not a correct explanation of A A is false but R is true A is true but R is false Both A and R are true and R is correct explanation of A Both A and R are true but R is not a correct explanation of A A is false but R is true ANSWER DOWNLOAD EXAMIANS APP