A constant current signal across a parallel RLC circuits gives an o/p of 1.4v at the signal frequency of 3.89KHZ and 4.1KHZ .At the frequency of 4KHZ,the o/p voltage will be___________?

Which of the following is not associated with a p-n junction?

A. junction capacitance

B. charge storage capacitance

C. depletion capacitance

D. channel length modulation

Thermal runaway is not possible in FET because as the temperature of FET increases_________________?

A. the mobility decreases

B. the transconductance increases

C. the drain current increases

D. none of the above

A change in the value of the emitter resistance Re in a differential amplifier?

A. affects the difference mode gain Ad

B. affects the common mode gain Ac

C. affects both Ad and Ac

D. does not effect either Ad and Ac

In a p-n junction diode under reverse bias , the magnitude of electric field is maximum at_____________?

A. the edge of the depletion region on the p-side

B. the edge of the depletion region on the n-side

C. the p-n junction

D. the center of the depletion region on the n-side

The bandwidth of an RF tuned amplifier is dependent on____________?

A. Q –factor of the tuned o/p circuit

B. Q –factor of the tuned i/p circuit

C. Quiescent operating point

D. Q-factor of the o/p and i/p circuits as well as quiescent operating point