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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. Frequency response of amplifiers? All amplifiers exhibit variations of performance as the signal frequency is changed. The frequency response of an amplifier may be defined
Q. Three loads in parallel are supplied by a single phase 400-V, 60-Hz supply: Load A: 10 kVA at 0.8 leading power factor Load B: 15 kW at 0.6 lagging power factor Load C:
short note on armature reaction
Balanced Budget Laws: Laws (usually passed by right-wing governments) that require governments to run balanced budgets regardless of state of the overall economy. These lawshave th
A 3-phase transmission line is 200km long. The line has a per phase series impedance of 0.25+j0.45 Φ/km and shunt admittance of j7.2ΦS/km. The line delivers 250MVA, at 0.6 lagging
Q. Determine the voltages V x using voltage division and equivalent resistor reductions for the circuits shown in Figure.
ADD Instruction This instruction use to add contents of any register or memory location with the contents of accumulator. There are two formats for ADD instruction to ad
Q. Sketch the asymptotic Bode diagrams for the following functions:
At the transmitter in a standard AM system, P f = 50 W. In the receiver (S 0 /N 0 ) AM = 250 when (S i /N i ) AM = 3000. Find the transmitter's unmodulated carrier power and t
advantages and disadvantages of thevenins theorem
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