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What angle we take between magnetic field and plane of loop....discuss the cases when induced emf is zero in a rotating frame.Ans) We know that Magnetic Flux through a given area is given as ?=B.A= BAcosθLet θ=wt, where w is frequency of sourceNow, the Induced emf will be zero if:1. Magnetic field B is zero,2. Area of the conductor is zero.3. Angle between Magnetic field and Area Vector is 90oAlso the angle between the Magnetic field and plane of loop is taken as anticlockwise angle or positive angle
The mass of 1 mole of electrons is: (1) 9.1x 10 -28 g (2) 1.008mg (3) 0.55mg (4) 9.1x 10 -27 g Ans: (3)0.55mg
assignment about electro magnetic waves
Which of the subsequent is a principal ray for the case of an actual physical object and a convex (converging) lens? Indicate all that apply. Ans: In the thin lens approxi
Which gates are known as universal gates? Draw the circuit symbols of n-p-n and p-n-p transistor.
what is radiation
Determination of packing fraction of diamond The co-ordination number of an atom in diamond structure is 4 as can be seen from the unit cell of diamond and is loosely packed.
Theory of bi prism
Copernican principle (N. Copernicus) The idea, recommended by Copernicus, that the Sun, not the Earth, is at the middle of the Universe. Now we know that neither idea is accur
P-Type Substance: When a small quantity of boron or Indium (group III A elements ) is added to silicon or Germanium, holes are formed in it and it becomes good conductor of pos
1. A protein with a density of 1.41 g/cm 3 has a molecular weight of 5000 g/mol. a. Calculate its radius. b. The radius measured during an experiment turned out to be 2.24
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