Amplifiers » Exercise - 131. When current feedback (negative) is applied to an amplifier, its output impedance ...... (a) is increased (b) is decreased (c) remains the same (d) none of the above
555555555591. Positive feedback results in ________. (a) decreased voltage gain (b) increased voltage gain (c) oscillation in the circuit (d) None of the above
Tags: gain, decreased, increased, electronics, engineering
FET » Exercise - 148. If the reverse bias on the gate of a JFET is increased, then width of the conducting channel ....... (a) is decreased (b) is increased (c) remains the same (d) none of the above
Compensation Techniques » Exercise - 1 15. A rough measure of bandwidth of a system is : (a) gain crossover frequency (b) phase crossover frequency (c) resonant frequency (d) undamped natural frequency
FET » Exercise - 261. If the gate of a JFET is made less negative, the width of the conducting channel ....... (a) remains the same (b) is decreased (c) is increased (d) none of the above