A. current controlled capacitor
B. voltage controlled capacitor
C. current controlled inductor
D. voltage controlled inductors
Related Mcqs:
- The effective channel length of a MOSFET in a saturation decreases with increase in___________?
A. Gate voltage
B. Drain voltage
C. Source voltage
D. Body voltage - The MOSFET switch in its on-state may be considered equivalent to_____________?
A. resistor
B. inductor
C. capacitor
D. battery - Which of the following is not associated with a p-n junction?
A. junction capacitance
B. charge storage capacitance
C. depletion capacitance
D. channel length modulation - 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 741-type OP-AMP has a gain-bandwidth product of 1MHz. A non-inverting amplifier using this op-amp & having a voltage gain of 20db will exhibit -3db bandwidth of__________?
A. 50 KHz
B. 100KHz
C. 1000/17 KHz
D. 1000/7.07 KHz - In a transistor leakage current mainly depends on__________?
A. doping of base
B. size of emitter
C. rating of transistor
D. temperature - 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 - The action of JFET in its equivalent circuit can best be represented as a_____________?
A. Current controlled Current source
B. Current controlled voltage source
C. Voltage controlled voltage source
D. voltage controlled current source - Which of the following amplifier circuit using junction transistor has the best gain?
A. Common base
B. Common emitter
C. Common collector
D. All have the same gain - 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
