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The initial conditions for an air-standard Otto cycle operating with a compression ratio of 8:1 are 95 kPa and 17o C. At the beginning of the compression stroke, the cylinder volume is 2.20 L ( 1 L=0.001 m3)and 3.60 kJ of heat is added during the constant volume heating process. Calculate the pressure and temperature at end of each process of the cycle, and determine the thermal efficiency and mean effective pressure of the cycle.
At 200.0 K, silicon has 1.89 x 10 5 thermally liberated charge carriers/cm 3 . If it is doped with 1 As atom to 3.75 million Si atoms, what is the ratio of doped carriers to t
Q. State the conditions to achieve total internal reflection. For entire internal reflection to take place (a) Light should travel from a denser medium to a rarer medium an
A 32.53 N light hangs at equilibrium from two cables at angles 78.3 and 60.2 with respect to the ceiling. What is the tension in the first cable?
Q. What is meant by doping? The process of addition of extremely small amount of impurity into an intrinsic semiconductor is called doping.
With the help of a neat and labelled diagram, describe the underlying principle and working of a moving coil galvanometer. What is the function of? (i) Uniform radial field
Synchronous motor can work at any power factor i.e. lagging, unity or at leading power factor. Synchronous motor when used to better the power factor only is known as " Synchronou
An equiconvex lens has the radius of one curved surface is 0.12 m and focal length of 0.10 m. Determine the refractive index of the material of the convex lens.
It is explained by Heisenberg's uncertainty principle, it is impossible to calculate simultaneously both the position and the momentum of the particle. Let x and p be the uncert
Poisson equation (S.D. Poisson) It is the differential form of Gauss' law, such as, div E = rho,
A cubical block of wood weighing 200g has a lead piece fastened underneath. Find the mass of the lead piece which will just allow the block to float in water. Exact gravity of wood
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