Electronic Devices and Circuits Piezoelectric quartz crystal resonators find application where Rectification of the signal is required Signal frequency control is required Signal amplification is required Modulation of signal is required Rectification of the signal is required Signal frequency control is required Signal amplification is required Modulation of signal is required ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The amount of photoelectric emission current depends on None of these Intensity of incident radiation Both frequency and intensity of incident radiation Frequency of incident radiation None of these Intensity of incident radiation Both frequency and intensity of incident radiation Frequency of incident radiation 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 A is false but R is true A is true but R is false 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 false but R is true A is true but R is false Both A and R are true but R is not a correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
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 and holes increase but not by the same amount The number of free electrons and holes increase by the same amount The number of free electrons increases but the number of holes decreases The number of free electrons increases The number of free electrons and holes increase but not by the same amount The number of free electrons and holes increase by the same amount The number of free electrons increases but the number of holes decreases The number of free electrons increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits At room temperature the current in an intrinsic semiconductor is due to Ions Holes and electrons Electrons Holes Ions Holes and electrons Electrons Holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In a bipolar transistor, the emitter base junction has Zero bias Zero or reverse bias Reverse bias Forward bias Zero bias Zero or reverse bias Reverse bias Forward bias ANSWER DOWNLOAD EXAMIANS APP