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Joule's laws (J.P. Joule)
Joule's first law
The heat Q generated while a current I pass through a resistance R for a particular time t is given by following
Q = I2 R t
Joule's second law
The internal energy of an ideal gas is independent of its volume & pressure, depending on its temperature only.
Explain the Conservation of Momentum In a collision, energy is not all time conserved, if not the collision is totally elastic (all stored energy is turned into kinetic energy
Q The resistance of a platinum wire at 0 o C is 4 Ω. What will be the resistance at 100 o C, if the temperature coefficient of resistance is 0.0038/ o C. Resistance at 100 o
examples of liked paralled forces
what is doping
What are the electron microscopy application areas? Electron microscopy application areas are as follows: a. Biology and life sciences b. Semiconductor and data storage
Are made up of alloys (manganin, constantan or nichrome) these materials have moderate Resistivity which is practically independent of temperature so that the specified value of re
In a non-uniform magnetic material, these substances move from stronger parts of the field to the weaker parts.why?
Can fibers be bent at right angle? Fibers cannot be bent at right angle. All fibers should be bent with a radius that will not alter the internal architecture of the fiber. For
WHAT IS THE MEAN OF HEAT
The energy possessed by a object by virtue of its motion is known as kinetic energy (KE). The KE of a moving body is similar to the amount of work that must be given to bring a
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