Electronic Devices and Circuits Piezoelectric quartz crystal resonators find application where Signal frequency control is required Modulation of signal is required Signal amplification is required Rectification of the signal is required Signal frequency control is required Modulation of signal is required Signal amplification is required Rectification of the signal is required ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Which variety of copper has the best conductivity? Copper containing traces of silicon Induction hardened copper Hard drawn copper Pure annealed copper Copper containing traces of silicon Induction hardened copper Hard drawn copper Pure annealed copper ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits As compared to bipolar junction transistor, a FET All of these Has better thermal stability Has higher input resistance Is less noisy All of these Has better thermal stability Has higher input resistance Is less noisy 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. 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 A is true but R is false ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits How many free electrons does a p type semiconductor has? Only those produced by thermal energy Those produced by doping as well as thermal energy Any of the above Only those produced by doping Only those produced by thermal energy Those produced by doping as well as thermal energy Any of the above Only those produced by doping ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Which one of the following is not a characteristic of a ferroelectric material? No hysteresis Electric dipole moment Ferroelectric characteristic only above the curie point High dielectric constant No hysteresis Electric dipole moment Ferroelectric characteristic only above the curie point High dielectric constant ANSWER DOWNLOAD EXAMIANS APP
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