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a) Explain ampere's law and calculate magnetic field at any point P beacuse of
(i) Infinite long wire
(ii) Inside a solenoid
(iii) Inside a toroid b) Explain Biot Savart Law and measure magnetic field at any point away from the infinite long wire carrying current I.
Q. Define Fermi energy. Write down the expression for Fermi Dirac distribution law. Deduce an expression for Fermi energy of a system of free particles. Sol. The Fermi Energy
to calculate average speed, divide distance by time?
OHM's Law: The current passing by a conductor is directly proportional to the potential difference applied across it's end given, the temperature and other physical conditions
weak anthropic principle The conditions compulsory for the growth of intelligent life will be met only in certain regions which are restricted in space and time. i.e., the re
two balls connected by massless string wherein the first ball A is confined to a plane surface with frection and the second ball B, due to the string’s passage through a small hol
what is principle of ac dynamo
what is the tension in the string when the block is lifted at a steady speed when the weight weighs 4.5N and the distance is 90cm
1. During an experiment, the osmotic pressure was recorded with respect to different concentrations of an enzyme. The results of the experiment are shown in the table below. a.
It is the property of a material by virtue of which it allows itself to be magnetized. Permeability varies from material to material depending upon the saturation and temperature.
For the circuits shown in Figure the resistors show the internal resistance of the batteries. Find, in each case: (i) The total e.m.f. across PQ (ii) The total equivalent in
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