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Q. Explain Working of Liquid-crystal display?
This display needs only microwatts of power (over a thousand times less than a LED) and is used in such devices as electronic wristwatches.With the application of an electric field the molecules of the liquid-crystal material are straightened out, absorbing the light, and the display appears black. With no electric field applied, the display appears as a silver mirror because the light is reflected.
explain the operation principle
op amp as bootstrap ramp generator
The field resistance of a dc machine is 50 ohm at 20 o C. The resistance increases to 55 ohm at 50 o C. Find the temperature coefficient of the resistance material. Ans: Sol
Customer Satisfaction - Issues of Power Supply Customer satisfaction measurement is a systematic process for collecting customer data (e.g. surveys, audits and etc.), analyzin
Q. Why negative feedback is employed in Wein Bridge Oscillator. Also explain the working of oscillator? The Wein Bridge Oscillator consists of two stages of the RC coupled ampl
What are the industrial applications of the project bcd to excess 3 code converter?
Complete the timing diagram of Figure of an SR latch.
Design a recycling MOD 19 up counter using JK FFs. In your design, include the logic circuit diagram and the timing diagram output that counts from 000002 = 010 to 100112 = 1910. C
Q. Find v o in the circuit shown in Figure by using the ideal op-amp technique.
Q. A transmitter is connected to an antenna by a transmission line for which ¯ Z 0 = R 0 = 5 0 . The transmitter source impedance is matched to the line, but the antenna is kno
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