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Draw an electrical relay diagram rung showing a N/O contact of CR1(coil) in series witha N/C contact of CR2(Coil), operating a lamp L1.
A delay-on (TON) relay has a preset of 5.0 seconds. Explain how it reacts If if the coil terminals areenergized for
a) 8 seconds how long will its contacts be actuated.
b) 3 seconds
advantages and disadvantages of direct and r c coupling
Q. On a CD amplifier R s = 4k?, µ =50 and r =35k?. Evaluate the voltage gain A v . A v = V o /V i = µRs / (µ+1)Rs + r
Q. Explain by using a circuit diagram, a ‘Darlington Pair'. Mention its advantages? THE DARLINGTON PAIR : This is a very special way of direct coupling of two transistors. The
Q. Basic principles of electromechanical energy conversion? Energy available in many forms is often converted to and from electrical form because electric energy can be transmi
Discuss important properties and uses of Mica and Mica Products. Mica and Mica Products - Mica is an inorganic material. This is one of the best insulating materials availa
Q. Explain Multiplexing Systems? A multiplexing system is one in which two or more signals are transmitted jointly over the same transmission channel. There are two commonly us
Explain graphic adapter and monitor. Video card changes digital output from the computer in an analog video signal and sends the signal by a cable to the monitor also termed a
Q . Differentiate between an integrator and differentiator? Integrators 1 Integrators are circuits in which output voltage is proportional to the integral of the input.
why Vout begins to decrease ...
explain a basic measurement system
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