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Q. Due to what special property does an emitter amplifier work as a buffer amplifier?
The circuit design of the emitter follower is such that it has a high input impedance and a low output impedance. Due to this it is capable of giving power to a load connected to its output without requiring much power at the input. It thus works as a buffer amplifier.
Q. Explain working of Shaded-pole motors? Shaded-pole motors: The least expensive of the fractional-horsepower motors, generally rated up to 1 / 20 hp, they have salient stator
Q. Explain the working of a darlington pair? This is two transistors connected together so that the current amplified by the first is amplified further by the second transistor
Demand Meters Demand meters measure volt-amperes (in kVA), that merge both reactive (reflected) and actual (consumed) power. In its easiest form, a demand meter has a gauge wh
Design a Mealy system whose output is 1 iff there have been exactly two 1's followed by a 0 and then a 1. (a) Assume overlapping is allowed (b) Assume overlapping is not
High Frequency Induction Heaters or Magnetic Fields : If this type of equipment is in use, large currents may be induced in any nearby metallic object or circuit, which will in tu
Q. Consider a 1-bit version of the digital comparator shown in Figure. Note that the operation of this circuit is such that whichever output is 1 gives the desired magnitude compar
RMS of generator
Q. Explain biased and double clipper circuits. Clipper can be either forward biased or reverse biased. If a battery is connected in series with the diode in a positi
Designated Consumers - Features of Energy Conservation The Act gives the list of designated consumers, which involves the energy intensive industries, Railways, Port Trust, Tr
How is 8255 (Programmable Peripheral Interface) configured if its control register contains 9B h. Ans. Programmable Peripheral Interface Command Byte B (sets or
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