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a) What is the magnitude of a point electric charge chosen so that the electric field because of it at a point 50 cm away has magnitude 2.0 NC¯¹ ?
(b) Get a mathematical expression for the magnetic field strength at the center of a circular coil carrying electric current?
(c) Illustrate the electronic configuration in the atomic structures of 'Ge' and 'Si' atoms. How can these be made 'P-type' and 'N- type' semi - conductors?
Thermodynamic laws: First law of thermodynamics In internal energy of a system the change is the total heat transferred to or from the system & the work done on or by
Q. If a single force acts on an object, the object accelerates. yse it is definately true. Newton's second law.
Aluminium Atomic number 13 Symbol Al Atomic weight 26.98154 Discovery W
What is meant by the rest mass energy of an electron? According to the Einstein's Theory of Relativity, the mass of a body (say a particle) occurs on the energy and on the mom
There are thousands of insulating materials available in the market. Insulations technology is one of the few branches where the number of materials is very large. Any special requ
contact ball whit wall box
Illustrate the first law of thermodynamics for a closed system undergoing cyclic process.
Attraction & repulsion of atom: It can be observed, that if two negatively charged bodies are brought together, there is a force of repulsion between them. Similarly if two p
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
It describes the behaviour of a collection of a particle N(E) with gives energy through N(E)α exp(-E/KT) where K is Boltzmann constant. It can be explained as a collection of
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