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Q. A voice message with Wf = 2π(3×103) rad/s and Wrms = 2π(1 × 103) rad/s is transmitted over an FM broadcast system with standard emphasis. and compare the improvements due to emphasis.
Illustrate the working of full wave rectifier using bridge rectifier. How is it different from centre tapped Rectifier ? Illustrate Avalanche and Zener breakdown. Draw & explain
Comparison with vacuum tubes: Prior to the growth of transistors, vacuum (electron) tubes (or in the UK (United Kingdom) "thermionic valves" or just "valves") were the major a
what is serveces of operating system?
Q. Transistor terminals in BJT ? BJTS have three terminals namely base terminal, emitter terminal and collector terminal .The emitter layer is a source of charge carriers and i
T h er e are three main types - The Shunt Connected DC motor in which the armature coils are connected in parallel with the field coils The Serie
Q. Show NPN Common Collector Amplifier? The common collector amplifier, often called an emitter follower since its output is taken from the emitter resistor, is useful as
Two pure sine waves have similar amplitude "A" and frequency "f." They are out of phase through 180 degrees. If these two signals are added, the resulting waveform will be:
Q. Two balanced, three-phase, wye-connected loads are in parallel across a balanced, three-phase supply. Load 1 draws 15 kVA at 0.8 power factor lagging, and load 2 draws 20 kVA at
Given: R 1 = R 3 = 1 k_, R 2 = 100 k_ and k = 0.1 A/V, and step-up transformer turns ratio is 10. a) Find the value of the load resistor RL that would maximize the power
Give the names of four alloys along with their composition, which are used for making heater and thermocouple elements. Constantan or Eureka {(55 to 60 percent) Cu, (45 to 40 p
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