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Q. Define: Peltier coefficient and write its unit.
The quantity of heat energy absorbed or evolved at one of the junctions of a thermocouple when one ampere current flows for one second (one coulomb) is called Peltier coefficient. It is denoted by π. Its unit is a volt.
what is the fresnel''s exlanation of optical activity
Verify the value and tolerance of a resistor having a colour coding of: blue-grey-orange- red Determine the value and tolerance of a resistor having a colour coding of: yellow-
what is electromagnetism
It is the demagnetising force which is necessary to neutralize completely the magnetism in the magnetism material after the external magnetic field is reduced to zero.
According to Reynolds, the critical velocity (vc) of a liquid flowing by a long narrow tube is (a) Directly linked to the coefficient of viscosity of the liquid. (b) Inversel
Curie constant; C (P. Curie) A characteristic constant, based on the material into question, which denoted the proportionality among its susceptibility and its thermodynamic te
SHAPE MEMORY ALLOYS: A group of metallic materials that can return to some previously defined shape or size when subjected to the appropriate thermal producer. That is to say, s
The lagging of an effect behind its cause; especially the phenomenon in which the magnetic induction of a ferromagnetic material lags behind the changing magnetic field.
A Neutron Star is formed in the aftermath of a Supernova explosion. The star was originally rotating with a period of 20 days and had a mass of 2x10 30 kg and radius of 6x10 8 m.
why wouldn''t you be electrocuted if you walked under an electric transmission line during a rainstorm?
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