Electronic Devices and Circuits Which one of the following is not a characteristic of a ferroelectric material? No hysteresis Ferroelectric characteristic only above the curie point Electric dipole moment High dielectric constant No hysteresis Ferroelectric characteristic only above the curie point Electric dipole moment High dielectric constant ANSWER DOWNLOAD EXAMIANS APP
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 Fermi level is the amount of energy in which A hole can have at room temperature None of these An electron can have at room temperature Must be given to an electron move to conduction band A hole can have at room temperature None of these An electron can have at room temperature Must be given to an electron move to conduction band 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 In a half wave rectifier, the load current flows Only for the negative half cycle of the input signal For full cycle Only for the positive half cycle of the input signal For less than fourth cycle Only for the negative half cycle of the input signal For full cycle Only for the positive half cycle of the input signal For less than fourth cycle ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Assertion (A): In p-n-p transistor collector current is termed negative.Reason (R): In p-n-p transistor holes are majority carriers. Both A and R are true but R is not a correct explanation of A Both A and R are true and R is correct explanation of A A is true but R is false A is false but R is true Both A and R are true but R is not a correct explanation of A Both A and R are true and R is correct explanation of A A is true but R is false A is false but R is true ANSWER DOWNLOAD EXAMIANS APP