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Electrical circuits and systems:
Electrical systems allow energy to be conveniently delivered from the point of supply to the point of application - e.g. electric railways, car electrical systems, the 'more electric aircraft'.
Q. For the 4-bit D/A converter of Figure with V ref =-5 V, determine the range of analog output voltage and the smallest increment. Ans. The binary input range is from 0
Compare dispersion effects in single mode and multimode fibres? The optical fibres were categorized within two according to the number of modes it passes as: • Single mode fibre
Q. An op amp has a finite gain of only 50, but is otherwise ideal. For the inverting-amplifier circuit of Figure, if R 2 = 20 k, what value of R 1 would be needed to give a gain
An arrangement of Windows so every window is neatly stacked with only the title bar of every window is showing.
Q. What is Idss. What are the conditions for its maximum value? The term 'Idss' refers to saturation condition of the Drain current. From the above graph it's clear that as the
Q. Two balanced, wye-connected, three-phase loads are in parallel across a balanced, three - phase 60- Hz, 208-Vsupply. The first load takes 12 kWat 0.6 power factor lagging, and t
Plug and Socket Condition : In the same way that your knowledge of flexes and fuses is wasted if you don't care to ensure that flexes and cables are routed safely and sensibly, so
A capacitor is charged to 100 V and then discharged by a 50 kΩ resistor. If the time constant of the circuit is 0.8 s, verify: (a) The value of the capacitor, (b) The time
Power Control A chopper converts fixed de input voltage to a controllable dc output voltage. It is the single stage dc to dc conversion device. It is a high speed on/ of
(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
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