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Q. Explain Cathode-ray tube?
While the CRT display is one of the oldest, it still remains one of the most popular display technologies. The raster-scanned display devices work similarly to commercial television sets, whereas graphics display devices use different technologies to achieve extremely high resolution. A CRT video signal has only two levels, with a 0 level causing a dark spot and a 1 level causing a bright spot. The appropriate combination of 1s and 0s displays data on a CRT screen, with each character displayed by dot-matrix displays, typically in 5 × 7or7 × 9 display fonts.
Q. Amicrowave relay systemuses two identical horn antennas mounted on towers spaced 40 km apart. If f c = 6 GHz, and each relay hop has L = 60 dB, calculate the antenna aperture a
Q. What is Barkhausen criterion? Why is the value of Ab kept slightly greater than 1? The condition |Ab| = 1 is called the Barkhausen criterion. It implies that when |Ab| = 1,
Logically AND the contents of Register Contents of register are logically AND with the accumulator bit wise. The result of the AND operation is stored in the accumulat
The direction of the magnetic field lines is given by 'Maxwell's Right-Hand corkscrew rule' The thumb of the right hand indicates the direction of current flow in the wire and
Explain graphic adapter and monitor. Video card changes digital output from the computer in an analog video signal and sends the signal by a cable to the monitor also termed a
function of a commutator in a DC motor
Armature Reaction in DC Generator: Armature reaction is the effect of magnetic flux set up by armature current upon the distribution of flux under the main poles.
a) What do you mean by assembly procedures in FEM, discuss by taking suitable example of your choice. b) Write the potential energy equation for particular FE analysis of a prob
Distinguish between ferromagnetic and paramagnetic materials, mentioning at least one example of each. Ferromagnetic Materials: These are materials wherein magnetic dipoles i
Q. How to convert Decimal to Binary number? To convert the decimal to binary is slightly more difficult. There are two procedures (Methods) that may be used to convert from dec
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