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Biasing Network and Resistor RG
Biasing Network (Rs and Cs): JFET is self-biased by using the biasing network Rs-Cs. Desired bias voltage is obtained when d.c. component of drain current flows through the source-biasing resistor Rs. While capacitor Cs bypasses the a.c. component of drain current.
Resistor RG: Resistor RG provides d.c. path for reverse-biasing of gate-source junction
What do you understand by "End correction" in resonating air column? What occures to the frequency of a tuning fork a) When it is loaded with a little wax and b) When it is file
A medium is characterised by relative permittivity ε r =45 and relative permeability μ r =5. Determine the speed of e-m wave in the refractive and medium index of the medium.
Natural and forced vibrations When we strike a tuning fork with a rubber hammer it vibrates with certain frequency. The frequency does not change even if we hit it harder.
The water level in a tank is 20 m above the ground. A hose is connected to the bottom of the tank, and the nozzle at the end of the hose is pointed straight up. The tank is at sea
In steady state forced vibration, briefly explain how the phase of driven system modifies with frequency of the driving force?
In a plot of photoelectric current versus anode potential, how does 1. The saturation current varies with anode potential for incident radiations of dissimilar frequencies but s
Does CPH mass increase? Answer; Never, mass of CPH is constant, as like its speed.
In mechanics, stress is a measure of the internal forces acting within a deformable body. Quantitatively, it is a measure of the average force per unit area of a surface within the
Dual Nature of Light: As light is accepted as a form of waves as well as packets of photon. This nature of light is known as dual nature of light.
Explain newtons cradle- A typical Newton's cradle consists of metal balls of identically sized in a series suspended in a metal frame ,so that they are just touching each other at
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