Electronic Devices and Circuits For a P-N diode, the number of minority carriers crossing the junction depends on Potential barrier None of these Forward bias voltage Rate of thermal generation of electron hole pairs Potential barrier None of these Forward bias voltage Rate of thermal generation of electron hole pairs 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. 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 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Which one of the following is not a characteristic of a ferroelectric material? Electric dipole moment No hysteresis Ferroelectric characteristic only above the curie point High dielectric constant Electric dipole moment No hysteresis Ferroelectric characteristic only above the curie point High dielectric constant ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Silicon is not suitable for fabrication of light emitting diodes because it is Direct band gap semiconductor Wideband gap semiconductor Narrowband gap semiconductor An indirect band gap semiconductor Direct band gap semiconductor Wideband gap semiconductor Narrowband gap semiconductor An indirect band gap semiconductor 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 How many free electrons does a p type semiconductor has? Only those produced by thermal energy Any of the above Only those produced by doping Those produced by doping as well as thermal energy Only those produced by thermal energy Any of the above Only those produced by doping Those produced by doping as well as thermal energy ANSWER DOWNLOAD EXAMIANS APP
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