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Explain about the Heat Extraction?
a) A body of mass M has a temperature-independent precise heat C. If the body is heated reversibly from a temperature Ti to a temperature Tf what is the change in its entropy?
b) Two such bodies are primarily at temperatures of 100 K and 400 K. A reversible engine is used to take out heat with the hotter body as a source and the cooler body as a sink. What is the maximum quantity of heat that can be extracted in units of MC?
c) The specific heat of water is C= 402j/g k and its density is 1g/cm3 Calculate the maximum useful work that can be extracted, using as a source 103 m3 of water at 100°C and a lake of temperature 10°C as a sink.
Solar Cells: The solar cells that we see on calculators and satellites are photovoltaic cells or modules (modules are easily a group of cells electrically connected and packaged
Pressurized Water Nuclear Reactor There are two categories of nuclear reactors. The Pressurized Water Reactor (PWR) and the Boiling water reactor (BWR). Pressurized Water React
(i) It having of district bright bands. (ii)It is given by an excited source in molecular state. (iii) E.g. Spectra of molecular NH 3 , CO, H 2 etc.
#quuiujiestion..
Is stone take longer for the downward motion than for the upward motion Consider a stone thrown vertically upward. if we take friction against air into account, we see that the
Q. What is Utilisation Summary of every processor? Utilisation Summary points to status of every processor it implies that how much time (in form of percentage) has been spent
to demonstrate the electrostatic shielding
As electric field is conservation, work done and as potential difference among two points is path independent and depends only on the position of points between which the charge is
Determine range of V for obtaining a regulated voltage demonstrated in Figure. For the data 0 ≤ I L ≤ 4 mA 2 ≤ I Z ≤ 8 mA Ans: Determination of range of V for
A coil havingof a resistance of 100 and an inductance of 200mH. If an alternating voltage, v, givenby v=200sin500t volts is applied across the coil, measure (a) The circuit
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