In deriving ac equivalent circuit for an amplifier circuit, we short circuit___________?

Related Mcqs:

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...

A dc power supply has no-load voltage of 30v,and a full-load voltage of 25v at full-load current of 1A.Its output resistance & load regulation ,respectively are_____________?

A. 5 Ω & 20 % B. 25 Ω & 20 % C. 5 Ω & 16.7 % D. 25 Ω & 16.7 %...

The early effect in a bipolar junction transistor is caused by_______________?

A. fast turn-on B. fast turn-off C. large collector-base reverse bias D. large emitter-base forward bias...

An n- channel JFET has IDSS=2mA,and Vp=-4v.Its transconductance gm=in mA/V)for an applied gate to source voltage VGS=-2v is___________?

A. 0.25 B. 0.5 C. 0.75 D. 1...

The MOSFET switch in its on-state may be considered equivalent to_____________?

A. resistor B. inductor C. capacitor D. battery...