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Lawson criterion (J.D. Lawson): A situation for the release of energy from a thermonuclear reactor. Usually it is stated as the minimum value for the product of the density of

Armature core:    It houses the armature conductors or coils and causes them to rotate and as cuts the magnetic flux of field magnets. It also gives a path of very low reluctanc

Reducing friction with ball bearings  Find two tin cans that have a deep groove approximately the top, such as paint cans. Lay marbles in single groove and invert the other can

Mercury:                Atomic number 80 Symbol Hg

Q. Name the types of photoelectric cells? The photo electric cells are of three kinds: A) Photo emissive cell B) Photo voltaic cell and C) Photo conductive cell.

Explain natural physics concerned about? Solution:  Natural physics is the branch of physics which deals the physics related to nature.For example-physics related to sunlight,re

At what angle should a body be projected with a given velocity 24m/s just to pass over the obstacle 14m high at a given distance of 24m. Solution:   14=24xtan(θ)-(g*)(24 2

What are "Overtones" and "Harmonics" ? How are they build in an open pipe? Derive the mathematical equations for the frequencies of the harmonics produced in an open pipe.

What do you mean by pure spectrum? What is an impure spectrum?

What are the Merits of Semiconductor Diode over Vacuum Diode: (i)  Smaller in size (ii) Greater efficiency (iii) Cheaper (iv) Robust