Electronic Devices and Circuits When avalanche breakdown occurs covalent bonds are not affected. True False True False ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Hall effect is observed in a specimen when it is carrying current and is placed in a magnetic field. The resultant electric field inside the specimen is Normal to both current and magnetic field In arbitrary direction In the direction of current Antiparallel to magnetic field Normal to both current and magnetic field In arbitrary direction In the direction of current Antiparallel to magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Power diodes are generally Germanium diodes Silicon diodes None of these Either of the above Germanium diodes Silicon diodes None of these Either of the above ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The sensitivity of human eyes is maximum at Violet portion of spectrum 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Free electrons exist in Second band Third band First band Conduction band Second band Third band First band Conduction band 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 false but R is true 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 true but R is false A is false but R is true 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 true but R is false ANSWER DOWNLOAD EXAMIANS APP
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