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Find the minimum rate of sampling that must be used to convert the message into digital form:
(a) If an audio message has a spectral extent of 3 kHz.
(b) If a television signal has a spectral extent of 4.5 MHz.
Q. A balanced electrical industrial plant load of 9.8 MW with 0.8 lagging power factor is supplied by a three-phase 60-Hz system having a maximum rating (load-carrying capacity) of
Q. Show a block diagram of a 4-bit, parallel-input shift-right register and brie?y explain its operation.
An external resistance of 10 Ω is linked to the terminal of a battery having 10 cells connected in series. Emf for every cells and internal resistance is 1.5V and 0.2Ω . Find the
Draw a relay construction diagram and briefly explain the operation of a relay. Define the terms normally open and normally closed. Define the terms Set and Reset for relays.
Solenoids find application in a variety of electrically controlled valves. The magnetic structure shown in Figure is a simplified representation of a solenoid in which the flux in
Q. Consider the op-amp circuit of Figure. Sketch the waveforms of v S and v o , if v S is a sinusoidal voltage source with a peak value of 2.
Limitations of maximum power transfer theorem
Advantages of BJT over MOSFET: BJTs have some benefits over MOSFETs for at least two digital applications. Very first, in high speed switching, they do not comprises the "large
give easy way to leran circuit analysis
#qConsider a point-to-point radio link between two highly directional antennas in a stationary environment. The antennas have antenna gains of 30 dB, distance attenuation is 150 dB
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