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Q. Schematic Diagram of LED based System ?
As shown in the two schematic diagrams above, the LEDs in a seven-segment display are not isolated from each other. Rather, either all of the cathodes, or all of the anodes, are connected together into a common lead, while the other end of each LED is individually available. This means fewer electrical connections to the package, and also allows us to easily enable or disable a particular digit by controlling the common lead. There is no advantage of the common-cathode seven-segment unit over the common-anode version, or vice-versa. Each type lends itself to certain applications, configurations, and logic families.
A 3-phase, wye-connected, 11 kV, 137.5 MVA turbo-alternator of 0.8 power factor lagging has a synchronous reactance XS = 1.4 Ω. Assume the machine to be ideal for convenience of an
Q. Briefly Explain Energy and Power? If a charge dq gives up energy dw when going from point a to point b, then the voltage across those points is defined as v = dw/dq If
Q. ADMM (digital multimeter) reads true rms values of current. If the peak value of each of the following periodic current waves is 5 A, find the meter reading for: (a) a sine wave
what are the different digital modulation techniques?
1. The coil remaining stationary with respect to the flux, the flux varies in magnitude with time. Since no motion is involved, no energy conversion takes place. Equation gives the
#question. i want design of inductive coupling to transfer power @ 2 watt in air gap of 5mm radial distance..
Q . Why CE Configuration is widely used in amplifier circuit? The main utility of a transistor lies in its ability to amplify weak signals. The transistor alone cannot perform
Memory Address The memory address is of 16 bits. It ranges from 0000?H to FFFH 16bits address lines of 8085 microprocessor are capable of addressing 216 i e 65, 536, ( or
Electrical circuits and systems : Electrical systems allow energy to be conveniently delivered from the point of supply to the point of application - e.g. electric railways, ca
Q. What are the advantages and disadvantages of a R-C coupled amplifier. Advantages · It has excellent frequency response. The gain is constant over the audio frequency ra
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