Electronic Devices and Circuits Which of the following has highest resistivity? Mineral oil Mica Air Paraffin wax Mineral oil Mica Air Paraffin wax ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The forbidden energy gap between the valence band and conduction band will be least in case of Metals Insulators Semiconductors All of these Metals Insulators Semiconductors All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The most commonly used semiconductor material is Germanium Silicon None of these Mixture of silicon and germanium Germanium Silicon None of these Mixture of silicon and germanium 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 holes Drift of electrons Diffusion of holes Diffusion of electrons Drift of holes Drift of electrons Diffusion of holes Diffusion of electrons 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 Assertion (A): A JFET can be used as a current source.Reason (R): In beyond pinch off region the current in JFET is nearly constant. Both A and R are true and R is correct explanation of A A is false but R is true Both A and R are true but R is not a correct explanation of A A is true but R is false Both A and R are true and R is correct explanation of A A is false but R is true Both A and R are true but R is not a correct explanation of A A is true but R is false ANSWER DOWNLOAD EXAMIANS APP