Charging consists of the transfer of negatively charged particles called, electrons, Law of Electric Charges, Like charges repel and opposite charges attract., The unit of electric charge is , coulomb (C),, 1 A. s=, 1C, Units of μC (microcoulombs), 10-6C, nC (nanocoulombs), 10-9C, q/e=, N, e(Np-Ne)=, q, The total electric charge of an isolated system is conserved., Law of Charge Conservation, no free movement of electrons occurs in, insulators, conductors is, Materials that conduct electricity well, Semiconductors are of two kinds:, intrinsic and extrinsic., Engineers produce extrinsic semiconductors by doping,, Semiconductors doped with electron donors are called n-type (n stands for, Materials are ..... only at very low temperatures., superconducting, Giving a static charge to an object is a process known as, electrostatic charging., grounding, taking away of charge, what is this, ball conductor, Coulomb’s law, , electric permittivity of free space unit, C2/Nm2.
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physics chapter one
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