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Q. What are the three transistor configurations?
The three configurations are common base (CB),common collector (CC) & common emitter(CE). The connection in which the base terminal is made common to both input & output is called CB configuration. the input is fed between the emitter and the base. the output signal is developed between the collector and the emitter or the collector common, we can have what are known as CE or CC configurations,respectively. In all the configurations, emitter-base junction is always forward-biased and the collector-bias junction is always reverse biased. In all the three configuration the transistor is working in the active region.
Diffusion Current : The carrier currents are also due to concentration gradients in the doped material which lead to diffusion of carriers from high concentration region to l
Q. Determine the Fourier series for the periodic wave - forms given in Figure.
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A step index multi mode fibre along with numerical aperture of 0.2 supports approximately 1000 modes at an 850µm wavelength. Calculate a) What is the diameter of the core? b)
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