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A piston-cylinder device initially contains 0.8 m3 of saturated water vapour (steam) at 250 kPa. At this state, the piston is resting on a set of stops and the mass of the piston is such that a pressure of 300 kPa is required to move it. Heat is slowly transferred to the steam until the volume doubles.
a) Show the process on a P-V diagram with respect to saturation lines.
b) Determine the mass of the steam.
c) Determine the initial temperature of the steam.
d) Determine the final temperature of the steam.
e) Calculate the work done during this process.
if 2.13*106J of work must be done on a roller_coaster car to move it 3.00*102m,how large is the net force acting on the car ?
Q. Describe the isotopes? Answer:- An atom of an element that has a diverse number of neutrons in its nucleus to other atoms of the element.
a) Two long wires, carrying currents i 1 and i 2 , are placed perpendicular to each other in such a way that they just avoid to contact. Determine the magnetic force on a small le
Draw a circuit diagram of a common emitter amplifier by using n-p-n transistor. Show input and output voltages graphically. The current gain for common emitter amplifier is 59.
give examples?
How to calculate change in entropy.
P-N junction is (A) A rectifier. (B) An amplifier. (C) An Oscillator. (D) A Coupler. Ans: P-N junction is a rectifier.
Define the characteristics of Heterojunction laser. Heterojunction laser: The threshold current density for homojunction lasers is extremely large because of poor optical an
define electrostatistic
If a proton and an electron have same de Broglie wavelength, which has more kinetic energy and momentum?
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