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Q. What is thermal runaway.
The problem of self heating arises due to dissipation of power at the collector junction. The leakage current ICBO is extremely temperature dependent and increase with the rise of temperature of collector base junction. An increase in ICBO causes an increase in collector current IC considerabely. With the increase in collector current ,collector power dissipation increase which raises the junction temperature which leads to further increase in collector current. The process is cumulative and may lead to the eventual destruction of the transistor . This phenomenon is called thermal runaway.
Explain the Power Chart The phasor diagram shown in Figure with the x and y axes added, as shown. This diagram may be converted to a 'power chart' by multiplying each phasor in
Explain the Third Group of 32 ASCII Character? The third group of 32 ASCII characters is set aside for the upper case alphabetic characters. The ASCII codes for the characters
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Explain superconductivity and explain the effect of magnetic field on superconductors. Various metals become superconducting below a temperature that is the characteristic of t
Give four examples of natural insulating materials. Illustrations of the natural insulating materials are rubber, cotton, wood and mica.
A conical tank is shown in Figure. The tank is filled with water. Using MATLAB, determine: a. the volume of water in the tank b. the weight of the water in the tank.
HOW ARE FLIP-FLOPS USED IN BINARY COUNTERS
Cellular telecommunication sector - Software Defined Radio As of now, every cell phone transmits and receives information through a speci?c standard. If we have to change the s
Define Smoothing the Output? The output of a DAC is stepped, such as the analog waveforms which were sampled and held. This stepped, or staircase effect is a distortion, and it
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