Electronic Devices and Circuits An intrinsic silicon sample has 1 million free electrons at room temperature. As the temperature is increased The number of free electrons increases but the number of holes decreases The number of free electrons and holes increase by the same amount The number of free electrons and holes increase but not by the same amount The number of free electrons increases The number of free electrons increases but the number of holes decreases The number of free electrons and holes increase by the same amount The number of free electrons and holes increase but not by the same amount The number of free electrons increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Piezoelectric quartz crystal resonators find application where Rectification of the signal is required Signal amplification is required Signal frequency control is required Modulation of signal is required Rectification of the signal is required Signal amplification is required Signal frequency control is required Modulation of signal is required 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. 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 A is true but R is false 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 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 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? No hysteresis High dielectric constant Ferroelectric characteristic only above the curie point Electric dipole moment No hysteresis High dielectric constant Ferroelectric characteristic only above the curie point Electric dipole moment ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In a semiconductor diode, the barrier offers opposition to Majority carriers in both regions Free electrons in N-region only Holes in P-region only Majority as well as minority carriers in both regions Majority carriers in both regions Free electrons in N-region only Holes in P-region only Majority as well as minority carriers in both regions ANSWER DOWNLOAD EXAMIANS APP
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