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Two resistances have lengths in the ratio 1:4 and radius 1:2,specific resistances in ratio 3:1. compare their resistances.Solution)Given lengths l1=1 l2=4Given radius r1=1 r2=2 Given specific resistances Ρ(rho)1=3 Ρ2= 1we know the R=Ρl/A R1/R2=3/1.
Can CPH Theory explain the physical conservation laws? Answer; sure, all the physical conservation laws come up of properties of CPH. Everything is made of a CPH. A CPH has sta
Emission spectrum of hidrogen is different from emission spectrum of sodium.Why? Ans) Because, in sodium atom there are already many other electrons present in the atom aother than
Q. Compare the emf and the potential difference . Comparison of emf and potential difference 1. The difference of potentials among the two terminals of a cell in an open cir
Average acceleration is described as the change in velocity over a given time interval Δt. Hence, The instantaneous acceleration of given particle is the rat
Question: A wire loop as well as a bar magnet lie in one and the same horizontal plane. The bar magnet is exterior of the loop. The bar magnet is rotating at a constant rate co
Derive First law of thermodynamics When an amount of heat energy is supplied to the system, part of it enhances internal energy of the system and remaining is utilized by the s
An inductor is generally constructed as a coil of conducting material, characteristically copper wire, wrapped around a core either of air or a ferromagnetic material. Core materia
what is meant by positive deviation of beer lambert''s low?
Q A 300 mm long tube containing 60 cc of sugar solution produces a rotation of 90 when placed in a polarimeter If the specific rotation is 600, Compute the quantity of sugar contai
Doppler effect (C.J. Doppler) Waves emitted through a moving object as attained by an observer will be blueshifted (compressed) if approaching, redshifted (elongated) if reced
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