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Define about the Graphite Structure
Graphite is the allotropic form of carbon. In case of graphite the carbon atoms are arranged in regular hexagons in flat parallel layers and every carbon atom covalently bonds with three atoms in a this hexagonal layer. The remaining electron is delocalized among the planes forming a weak bond among the parallel layers. As the bonding between these parallel layers are weak, the layers are simply separable from each other and is the cause for softness and lubricating action of graphite.
what causes glow in fire
An explorer is riding his camel in the desert. Up ahead he sees what appears to be a pool of water. He can tell if it is a real pool of water or a mirage by putting on his pol
When the two simple harmonic motions have dissimilar amplitudes and also vary in phase but they have the similar periodic time : The resultant curve may be obtained graphically
The delay in regaining the original state by a body after the removal of the deforming force is known as elastic after effect. In electrometers and galvanometers, the suspension
Can you explain thermistor? Write short notes on back emf and internal resistance of a cell.
Two steel balls are at a distance S from one another. As the mass of ONE of the balls is doubled, the gravitational force of attraction between them is: a) Quartered b) H
What are Switches and Fuses? As mentioned earlier, short circuits can be damaging to the voltage source. One way we have developed to protect equipment is to use fuses i
Selection of motors for different Engg. application 1. For Cement industry: Various types of motors for pumps, fans, conveyors ,crushers, kilns an mills Major mill
A jogger runs at a constant rate of 10.0 m every 2.0 s. The jogger starts at the origin, and runs in the positive direction for 3600.0 s.The figure below is a position-time graph s
Hertz; Hz (after H. Hertz, 1857-1894) The derived SI unit of frequency, explained as a frequency of 1 cycle per s; therefore it has units of s -1 .
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