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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?
Michlson interferometer
What are eddy currents? State how their effect is decreased in transformers. (b) Verify the ef?ciency of a 15 kVA transformer for the following conditions: (i) full load, un
Verify Gauss' theorem in electrostatics. Apply it to search the electric field strength at a point near a long straight conductor carrying electric charge.
#how entropy tells which process is spontaneous and which is non spontaneous.i also wana know that although 2nd law of thermodynamic is for heat engine and heat pump how it is rela
Because of concentration difference holes or electron try to vary from their side to other side. Only these holes or electrons cross the junction, having high kinetic energy. This
WE are estimating the spares requirement for a radar power supply. The power supply was designated with a mean life of 6500 hours. the standard deviation determined from testing is
why we called it
A quantity that can be calculated by instrument, clearly defined and has proper units is known as physical value. Physical quantities are described as fundamental and derived quant
a loaded trunk weighs 80 kn and accelerates uniformly on a level road from 4.5m/s to 9m/s during 4s.if the frictional resistance to motion is 1.625kn , determine the maximum power
i want more clarification on resultant vectors
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