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Q. A separately excited dc generator with an armature-circuit resistance Ra is operating at a terminal voltage Vt, while delivering an armature current Ia, and has a constant loss Pc. Find the value of Ia for which the generator efficiency is a maximum.
(a) Consider the following transmission line with the reactance X1 placed across the input. It is being driven with a frequency ω such that the length of the line is λ/4. What v
Q. Explain Sampling and Pulse Modulation? In most analog circuits, signals are processed in their entirety. However, in many modern electric systems, especially those that conv
Determine the value of maximum power: Determine the value of load resistance, R L for which the source shall transfer the maximum power. Also determine the value of maximum p
These are small poles fixed to the yoke and spaced in b/w the main poles. They are wound with comparatively few heavy gauge Cu wire turns and are connected in series with the armat
Consider the RC circuit of Figure (a) with R = 2 ,C = 5F,and i(t) = I = 10 A (a dc current source). Find the expressions for the capacitor voltage vC(t) and the capacitor current
Q. Give the principle of biasing a FET amplifier. To correctly bias the FET, the gate needs to be negative with respect to the source. Bias is obtained in the following manner:
L filters: An L filter contains two reactive elements that are one in series and one in parallel. T and π filters: Main article: Capacitor-input filter
Q. Binary Coded Decimal Addition Now as in conventional decimal addition, Binary Coded Decimal addition is performed one decimal digit at a time. What happens when the sum g
Using the BC548B BJT transistor amplifier biasing circuit of Lab 2 build an amplifier with the voltage gain of |A V | = 30 v/v ± = 10%. Measure all necessary parameters of the amp
Q. With a neat circuit diagram explain the working of a Hartley oscillator using an npn transistor and obtain the expression for oscillation frequency and for minimum gain for sust
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