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Explain Generation of electrical energy
Generation of electrical energy: The conversion of energy available in dissimilar forms in nature into electrical energy is called as "Generation of electrical energy". The electrical energy must be produced and transferred to the point of use at the instant it is required. The entire process takes only a fraction of a second.
Energy is available in several forms from dissimilar natural sources such as pressure head of water, chemical energy of fuels, nuclear energy of radioactive substances etc. All these forms of energy can be changed into electrical energy by using suitable arrangements.
Consider a pentavalent impurity such as phosphorus (P, Z = 15) is doped in a pure semiconductor germanium (Ge, Z = 320. Each phosphorus atom forms four covalent bonds with four ger
Q. A 4.5cm needle is placed 12cm away from a convex mirror of focal length 15cm. Give the location of the image and the magnification. Describe what happens as the needle is moved
Ergosphere The region about a rotating black hole, among the event horizon & the static limit, where rotational energy can be extracted through black hole.
A horizontal ray hitting a prism with n=1.5, tip angle α=4 o . The ray will be deflected by an angle δ=(n-1)α. The ray is further reflected by a vertical mirror. Now, if I want to
How many planets are found till now? Nine.
Out of ordinary and extra-ordinary waves, which wave obeys Snell's law?
Ques: In putting Kirchoff's voltage law one draws a schematic diagram of the circuit and then indicates the current in each leg (a.k.a. branch) of the circuit. For every leg of
Q. Illustrate how do you convert from Pascal to torr? Answer:- Converting the Pascal to the torr The pascal is a slighter unit of pressure than the torr and there are 1
A Rayleigh interferometer (as shown in the figure below) can be used to measure the index of refraction of air. Two transparent tubes (T 1 and T 2 ) are placed behind two slits. O
1. A protein with a density of 1.41 g/cm 3 has a molecular weight of 5000 g/mol. a. Calculate its radius. b. The radius measured during an experiment turned out to be 2.24
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