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It is needed to use a half-wave rectifier for a dc power supply that gives an average dc output voltage of 15 V and a maximum ±1V ripple is permitted. The rectifier feeds a load of 150 ohms and is fed from a line voltage of 120 Vrms 60Hz by a transformer. The diodes have a voltage drop of 0.7V while conducting.
a) Find the rms voltage that appears across the transformer's secondary coil
b) The needed value of the filter capacitor
c) The PIV that shows across the diodes
d) Average current by the diode while conducting
e) Measure the peak diode current
Q. Explain crossbar exchange, with all call processing steps and diagrams. Ans: The basic concept of crossbar switching is to provide a matrix of n x m sets of contacts with
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D Flip Flop As we have seen in the SR flip flop when the inputs S= R are applied the forbidden or indeterminate state occurs. This state can destabilize the SR file flop.
explain electromechanical instrument
A zener regulator consumes a zener diode with an internal zener resistance of 5 ohm and the value of resistance in the regulator circuit is 82 ohm. If the supply voltage alters by
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Sir I would like to find a sensor that can detect beams from the phasor painfield generator and the sonic devasator (devices of this nature). These sonic devices emit a high pres
what is serveces of operating system?
Write a short summary of the AM superhet receiver, in exacting consider how the demodulation stage works, and remark on the choice of component values used.
Ask quobject oriented programming by robert lafore 4th edition solutionestion #Minimum 100 words accepted#
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