A. Gate voltage
B. Drain voltage
C. Source voltage
D. Body voltage
Related Mcqs:
- MOSFET can be used as a__________?
A. current controlled capacitor
B. voltage controlled capacitor
C. current controlled inductor
D. voltage controlled inductors - The MOSFET switch in its on-state may be considered equivalent to_____________?
A. resistor
B. inductor
C. capacitor
D. battery - 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 - 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___________?
A. 1 v
B. 2v
C. 1.4v
D. 2.8v - An ideal OP-AMP is an ideal___________?
A. Current controlled Current source
B. Current controlled voltage source
C. Voltage controlled voltage source
D. voltage controlled current source - In an op-amp differentiator:________________?
A. the amplitude of output is proportional to rate of change of input
B. the amplitude of output is proportional to input
C. output occurs when input is finite and constant
D. polarity of input and output is the same - Negative feedback in an amplifier____________?
A. Reduces gain
B. Increase frequency &phase distortion
C. Reduces bandwidth
D. Increases noise - Introducing a resistor in the emitter of a common amplifier stabilizes the dc operating point against variations in____________?
A. Only the temperature
B. only the β of the transistor
C. Both Temperature & β
D. None of the above - In a common emitter, unbypassed resister provides___________?
A. voltage shunt feedback
B. current series feedback
C. negative voltage feedback
D. positive current feedback - In all base driver amplifiers__________?
A. ac collector voltage is 180° out of phase with ac base voltage
B. ac emitter voltage is 180° out of phase with ac base voltage
C. ac collector voltage is in phase with ac base voltage
D. none of the above
