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a) Sketch the small-signal equivalent circuit for a field-effect transistor (FET) and explain how it can be deduced from the properties of the real device.
b) Draw the circuit diagram for a common-source FET ac amplifier based on a voltage-divider bias scheme.
c) Draw the ac equivalent circuit for the above amplifier.
d) If the transconductance of the FET used in a common-source amplifier is 3.4 x 10-3 S and the load resistance is 4.7 kΩ, what is the approximate voltage gain of the amplifier?
Describe power of a lens. Write its SI unit. What do you mean by linear magnification produced by a lens in a direction perpendicular to its axis? Write down the mathematical expre
On a summer day the air temperature is 27° C and the relative humidity is 30%. Water evaporates from the surface of a lake at a rate of 0.10 kg/h per square meter of water surface
As defined in physics, work is: a) A scalar quantity b) Always a positive quantity c) A vector quantity d) Always zero Ans: As defined in physics, work
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The position-time graph for two joggers, A and B, is shown in the accompanying figure a. How far apart are the two runners at 10.0 min? 1.50 km b. At what time ar
term paper for voltaic cell
A LADDER OF LENGTH 4m weighing 300N is placed against vertical wall . the coefficient of friction between the wall and the ladder is 0.3.The ladder in addition to its own weight ha
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What is Attenuation? Attenuation: Attenuation is a reduction within the amplitude and intensity of a signal. This is a significant property into optical communications. This
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