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Q. Required Conditions for connecting two transformers in parallel?
Ans:
a) Voltage rating should be same
b) Per unit impedance should be same
c) Phase sequence should be same.
An electric heater element is made of Nichrome wire having resistivity equal to 100 ×10 -8 ohm-metre. The diameter of the wire is 0.3 mm. Calculate the length of the w
Q. What do you mean by Waveforms? We are often interested in waveforms, which may not be constant in time of particular interest is a periodic waveform, which is a time-varying
Limitations: 1. Silicon transistors do not function at voltages much higher than about 1,000 volts (SiC devices can be worked as high as 3,000 volts). In difference, electron
#The requirement is as follows- There is a signal which is in the range of 0 to 5Hz. This signal frequency composition is to determined. The resolution of the determination is 1Hz.
Q. Consider two 1-C charges separated by 1min free space. Show that the force exerted on each is about one million tons.
The site 450 kVA load is actually a three-phase, six pulse thyristor rectifier feeding a dc bus. Assuming that the voltage waveform at the site 11 kV bus is purely sinusoidal, calc
Q. Practical properties of operational amplifiers? To achieve voltage gain and consequently power gain, the op amp must be biased by a dc source. The biasing network is compris
(a) Give three different ways how electro-magnetic interference can be reduced in twisted pairs based transmission. (b) Noise are unwanted signals affecting transmission. Lis
Give an industrial look at modern CAM/CAD. Define explicit, implicit and parametric representations. What are the basic advantages of parametric representations over the impli
Q. A commercial FMstation broadcasts a signal with 180-kHz bandwidth when |f(t)|max = 2 V. Find kFM for the modulator if the spectral extent of f (t) is 30 kHz, by using Carson's r
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