Analog Electronics MCQ

Analog Electronics MCQ Questions

• 1. Whenever load is coupled class A amplifier through transformer efficiency
• 2. When MOSFET switch is its on-state it is equivalent to
• 3. The units of transistor h parameters h11 and h22 are
• 4. A buffer amplifier should have
• 5. When the ac base voltage in a CE amplifier circuit is too high, the ac emitter current is
• 6. A voltage with square waveform having values of +5V and 0V is
• 7. As the ratio Rf/RL increases the efficiency of a rectifier increases.
• 8. In a transistor CE mode, VCC = +30 V. If the transistor is in cut off region, VCE =
• 9. In all base driver amplifiers
• 10. A 10 V power supply would use which filter capacitor?
• 11. What is the condition if no external potential energy is applied to the PN junction then diode ?
• 12. What is an energy gap?
• 13. What will happen if doping of an intrinsic semiconductor with pentavalent impurity atom ?
• 14. Silicon has __________________ valence electrons.
• 15. ______________ does not obey the Ohm's law.
• 16. When the JFET is no longer able to control the current, this point is called the -
• 17. When the drain saturation electric current is less than IDSS a JFET acts like a -
• 18. In the active region, the collector current is not changed significantly by -
• 19. The current gain of a transistor is defined as the ratio of the collector current to the -
• 20. Three difference Q points are shown on a load line. The upper Q point represents the -