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Feeling centrifugal force
Tie a weight to a string about a metre in length and then whirl the weight around at arm's length. View the outward pull on the string. This is centrifugal force. Swap the string with a strong rubber band. Carefully whirl the weight on the rubber band. View the stretch in the rubber. This is caused by centrifugal force
Illustrate the operation of NOT gate and also provide its truth table. What do you mean by a Zener diode? Illustrate how it is used as voltage regulator.
(i) It having of dissimilar bright lines. (ii) It is given by an excited source in atomic state. (iii)E.g. Spectrum of excited helium, mercury vapours sodium vapours or atomi
Influence the value of g Shape of the earth : (a) At poles : Generally 'g' value is inversely proportional to the radius of the earth ' r' . Due to flattening of the e
Excitation of Modes in Fiber A multimode fiber is used to couple light into a single mode fiber. Both fibers have the same total diameter. Explain the coupling. Use
Are certification important in the fiber optics industry? It will depend upon the type of certificate, what is certified and through who is granted. Several certifications refe
The index of refraction of a particular medium is nearly the same for all wavelengths hence we often associate a single value the average value of the index of refraction to the me
A horizontal power line carries a current of 6110 A from south to north. Earth's magnetic field (86.8 mT) is directed toward the north and is inclined downward at 70 degrees to the
What is The sun? The sun:- Sun the brightest object in the universe. It is main body of the solar system. It has a luminous sphere approximately 8,65,000 miles in diameter. It
A laser beam from 200 watt source is focused on an area of 10 -8 m 2 . Determine the magnitude of the Pointing vector of the area.
In free space electric field intensity is provided as E= y 20 cos (ωt-50x) volt/m. Determine displacement current density.
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