Electronic Devices and Circuits The forbidden energy gap between the valence band and conduction band will be least in case of All of these Insulators Metals Semiconductors All of these Insulators Metals 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? Drift of electrons Diffusion of electrons Diffusion of holes Drift of holes Drift of electrons Diffusion of electrons Diffusion of holes Drift of holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Which of the following has highest resistivity? Mineral oil Mica Paraffin wax Air Mineral oil Mica Paraffin wax Air ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits At room temperature the current in an intrinsic semiconductor is due to Holes Holes and electrons Electrons Ions Holes Holes and electrons Electrons Ions ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In a half wave rectifier, the load current flows For full cycle For less than fourth cycle Only for the negative half cycle of the input signal Only for the positive half cycle of the input signal For full cycle For less than fourth cycle Only for the negative half cycle of the input signal Only for the positive half cycle of the input signal ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits When diodes are connected in series to increase voltage rating the peak inverse voltage per junction should not exceed the breakdown voltage may be equal to or less than breakdown voltage should not exceed one third the breakdown voltage should not exceed half the breakdown voltage should not exceed the breakdown voltage may be equal to or less than breakdown voltage should not exceed one third the breakdown voltage should not exceed half the breakdown voltage ANSWER DOWNLOAD EXAMIANS APP