Electronic Devices and Circuits The most commonly used semiconductor material is Germanium None of these Silicon Mixture of silicon and germanium Germanium None of these Silicon Mixture of silicon and germanium ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Piezoelectric quartz crystal resonators find application where Modulation of signal is required Signal frequency control is required Signal amplification is required Rectification of the signal is required Modulation of signal is required Signal frequency control is required Signal amplification is required Rectification of the signal is required ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The forbidden energy gap between the valence band and conduction band will be least in case of Metals Insulators Semiconductors All of these Metals Insulators Semiconductors All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits For a P-N diode, the number of minority carriers crossing the junction depends on Forward bias voltage Rate of thermal generation of electron hole pairs None of these Potential barrier Forward bias voltage Rate of thermal generation of electron hole pairs None of these Potential barrier 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 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 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 true but R is false Both A and R are true but R is not a correct explanation of A A is false but R is true Both A and R are true and R is correct explanation of A A is true but R is false Both A and R are true but R is not a correct explanation of A A is false but R is true ANSWER DOWNLOAD EXAMIANS APP
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