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Stefan-Boltzmann law (Stefan, L. Boltzmann):
The radiated power P (it is rate of emission of electromagnetic energy) of hot body is proportional to the radiating surface area, A, & the fourth power of the thermodynamic temperature, T. The constant of proportionality refer to the Stefan-Boltzmann constant. Mathematically specking,
P = e sigma A T4,
Where the efficiency rating e refer to the emissivity of the object.
Air enters in a compressor operating at steady state along with a volumetric flow rate of 37 m³/min at 136 kPa, 305 K and exits with a pressure of 680 pPa and a exact volume of 0.1
Consider the 2D shape below. Draw a possible configuration of nodes and cells (at least 15) that could be used to solve for the temperature distribution. Provide equations that wou
What is the universal law of universal gravitation? Statement that any particle of matter in the universe attracts any other with a force varying directly as the product of the
A step-down transformer has 9000 turns on the primary coil and 150 turns on the secondary coil. The EMF in the primary coil is 16 V. What is the voltage being applied to th
A set of open circuit test and short circuit test have been performed on a transformer. A supply voltage of 480 V is applied to the primary side of the transformer and the followin
The string of a pendulum is horizontal. Mass of the bob is m. Now the string is released, what is the tension in the string at lowest position Ans) If string length is L, Con
Q. What are the methods of inducing emf in a circuit? The induced emf is able to be produced by changing a) The magnetic induction (B) b) Area enclosed by the coil (A) f
A bicycle has tires of radius 0.35 meters. If the bicycle is traveling at a constant speed of 7.8 m/s, at approximately what angular speed are the tires rotating?
What is cardiac output? Cardiac output is the volume of blood the heart pumps within a minute. Cardiac output (CO) is equivalent to the stroke volume (SV) of the heart multipli
Becquerel; Bq (after A.H. Becquerel, 1852-1908) The derived SI unit of activity, described as the activity of a radionuclide decreasing at rate, on the average, of one nuclear
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