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Joule's laws (J.P. Joule)
Joule's first law
The heat Q generated while a current I pass through a resistance R for a particular time t is given by following
Q = I2 R t
Joule's second law
The internal energy of an ideal gas is independent of its volume & pressure, depending on its temperature only.
State the uses of Zinc sulphide Zinc sulphide has a lattice constant of 0.596nm . The sulfide ions are quite big (atomic radius 184 pm) relative to the size of the zinc ions (7
What is quarter wave plate? Give its theory
Explain the significance of virtual ground in an operational amplifier? Ans: Significance of Virtual Ground: Fig. (a) illustrates the circuit diagram of basic Inverting Ampl
What are a quarter wave plates? Get the expressions for its thickness in terms of refractive indices for E-ray, O-ray and wavelength?
Biot-Savart law (J.B. Biot, F. Savart) A law defines the contributions to a magnetic field through an electric current. This is analogous to Coulomb's law. Mathematically spec
What is Potential Gradient Magnitude of electric field at a point on an equipotential surface equal's rate of alter of potential, ΔV, with distance Δx, as point moves perpendic
define like and unlike parallel forces with examples
Ray Diagrams for Concave Mirrors Object Located Beyond the Center of Curvature: Ray diagrams are meaningful tools for denoting the location of an image as generates through a
Q. If an object isn't moving, no external force acts on it. No it is always not true, there would be balanced forces which cancel each other out leaving no net force. Example:
Liebig condenser (iron) A piece of iron pipe line as is used for water or electric conduit can be used to make a metal condenser which is much more robust than a glass one. Inl
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