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Explain Limit Signal Spectrum to Prevent Aliasing?
The sampling frequency should at least be two times that of the highest frequency in the incoming signal to avoid aliasing. This rate is generally known as the Nyquist limit.
why DC motors use field winding instead of armature winding
Explain the effect of impurity on the conductivity of a semiconductor. To form a semi-conductor conductive, a small amount of appropriate impurity is added. This is then termed
derivation of frequency of oscillators clapp and derive C effect?
A 500KVA, 6 pole, 500v, 3 phase, wye-connected synchronous generator has a synchronous impedance of 0.1 + j1.5 ohms per phase. If the generator is driven at 1000 r.p.m., what is th
Q. Draw the developed diagram of a simplex progressive 2 layer lap winding for a 4 pole generator with 12 coils clearly indicating the position of brushes. Sol. No. o
Q. Motoring mode of rotating machines? The motoring mode has electric power input and mechanical power output. The electromagnetic torque Te drives the machine against the load
charactersticks of pn junction
Circuits, which provide sinusoidal waveforms, are but useful in themselves and form the basis of many other circuits, such as square and triangular waveform generators, and clocks.
Q. Consider a series-carry synchronous counter with T flip-flops shown in Figure in which the AND gates carry forward the transitions of the flip-flops, thereby improving the speed
Q. Expain different control function categories,And also discuss that how they help in signalling and control. Ans: In some switching systems, Control subsystem may be a
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