There are ______________ h parameters of a transistor?
(A) Two
(B) Four
(C) Three
(D) None of the above
A transistor behaves as a linear device for _____________?
(A) Small signals only
(B) Large signals only
(C) Both small and large signals
(D) None of the above
The h parameter approach gives correct results for_______________?
(A) Large signals only
(B) Small signals only
(C) Both small and large signals
(D) None of the above
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
In deriving ac equivalent circuit for an amplifier circuit, we short circuit___________?
(A) all resistors
(B) all transistors
(C) all inductors
(D) all capacitors
When a transistor is connected in common emitter mode, it with have__________?
(A) negligible input resistance and high output resistance
(B) high input resistance and low output resistance
(C) medium input resistance and high output resistance
(D) low input resistance as well as output resistance
In a transistor leakage current mainly depends on__________?
(A) doping of base
(B) size of emitter
(C) rating of transistor
(D) temperature
Voltage Series feedback also called series-shunt feedback) results in__________?
(A) Increase in both input & output impedances
(B) Decreases in both input & output impedances
(C) Increase in input impedance & decreases in output impedance
(D) Decrease in input impedance & increase in output impedance
To prevent a DC return between source and load, it is necessary to use___________?
(A) resistor between source and load
(B) inductor between source and load
(C) capacitor between source and load
(D) either