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It is the need of elastic strength of a substance when subjected to repeated stresses and strain. If the substance is reserved undisturbed for some time, the previous properties are restored. Therefore elastic fatigue is a temporary phenomenon.
whta is three application of electrostyatics
A bakelite capacitor is to be constructed to have a capacitance of 0.04µF and to have a steady workingpotential of 1kVmaximum. Allowing a safe value of field stress of 25MV/m find
A point is operating simple harmonic motion with a time period 2πs. At its mean position its speed is 0.05 m/s. Calculate its speed when it is at a distance of 0.04 m from the mean
examples showing liquids exert pressure
When current is passed by a junction of two dissimilar solids, the temperature is either evolved or absorbed at the node. This effect is known as Peltier effect
UNIT: SI unit of impulse is NS (Newton x Second) or kgms -1
what is electron
What is dielectric breakdown? Explain briefly the various factors contributing to breakdowns in dielectrics. Ans.: Electric Breakdown: When the electric field applied across
Factors which are affect velocity of sound in gaseous medium is (1) Effect of density (2) Effect of pressure (3) Effect of temperature : (4) Effect of humidity
9.8-g lead bullet with a muzzle velocity of 3.90 x 10 2 m/s is stopped by a wooden block. What is the change in temperature of the bullet if one-fourth of its original kinetic
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