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1. Derive the necessary formula/method to determine the effective value or RMS of a triangular wave. Use either a similar method to the class example of the RMS determination of the sinusoidal wave or any other appropriate method.
2. Explain why the presence of harmonics in three phase power supplies causes degradation of the performance of A.C. machines such as motors and transformers.
The maximum power transfer theorem states: 'A load will receive maximum power from a linear bilateral dc network when its total resistive value equal to the Thevenin's or Norto
Supercomputer The largest fastest and most powerful are called supercomputers. Supercomputers are mainly used for weather forecasting remote sensing image processing, biom
what is the difference between ac and dc currents?
Objectives After studying this unit, you should be able to: 1. Describe the consequences of passing electric current through human body, 2. State and recognise the colour
what is the necessity of copper brushes in dc motors?
three charge,each
(a) Explain what asynchronous transmission is and give two advantages and two disadvantages of using this type of transmission. (b) One of the goals of multiplexing is efficienc
Transparent latch D flip Flop A typical example of this type of D flop is 7475 shown in figure when CLK connected is enable signal is high and the flip flop is enabled
(a) Estimate the hysteresis loss at 60 Hz for a toroidal (doughnut-shaped) core of 300-mm mean diameter and a square cross section of 50mmby 50mm. The symmetrical hysteresis loop f
Q. Explain Cathode-ray tube? While the CRT display is one of the oldest, it still remains one of the most popular display technologies. The raster-scanned display devices work
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