To prevent a DC return between source and load, it is necessary to use___________?

Related Mcqs:

1. 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 %...

2. The encapsulation of transistor is necessary for__________?

   A. preventing radio interference B. preventing photo-emission effects C. avoiding loss of free electrons D. mechanical ruggedness...

3. A source follower using an FET usually has a voltage gain which is___________?

   A. greater than +100 B. slightly less than unity but positive C. exactly unity but negative D. about -10...

4. 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...

5. In a full-wave rectifier using two ideal diodes,Vdc & Vm are the dc & peak values of the voltage respectively across a resistive load. If PIV is the peak inverse voltage of the diode, then the appropriate relationships for this rectifier is____________?

   A. Vdc = Vm/π, PIV=2Vm B. Vdc = 2Vm/π, PIV=2vm C. Vdc = 2Vm/π, PIV=Vm D. Vdc = Vm/π, PIV=Vm...

6. The horizontal intercept of dc load line is the same as ideal____________?

   A. cut off point B. saturation point C. operating point D. quasi saturation point...

7. 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...

8. Most of the linear ICs are based on the two-transistor differential amplifier because of its___________?

   A. input voltage dependent linear transfer characteristic B. high voltage gain C. high input resistance D. high CMRR...

9. Three identical amplifiers with each one having a voltage gain of 50,input resistance of 1KΩ & output resistance of 250 ,are cascaded.The open circuit voltage gain of combined amplifier is_________?

   A. 49dB B. 51dB C. 98dB D. 102dB...

10. 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...