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A pure semiconductor is known as intrinsic semiconductor. It has thermally formed current carriers
(i) They have four electrons in the outer part of orbit of atom and atoms are held as one by covalent bond
(ii) Free electrons and holes both are charge carriers and (in C.B.) (in V.B.)
(iii)The drift speed of electrons is larger than that of holes.
Postulates of Special Theory of Relativity - 1. All law of physics having same form in all inertial frame of reference. 2. The speed of light in free space is constant, irres
O rdinary glass is a good insulator but is too brittle to be used for anything but scientific instrument part s, accumulator container and for certain other special purposes. It is
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
What should be the length of the dipole antenna for a carrier wave of Frequency 3 X 1O 8 Hz? Define 'electric line of force' and give its two important properties.
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A test tube holder An appropriate test tube holder can be made by bending strong spring wire made of iron or brass into the shape shown in the diagram. Wire from a coat hanger
What makes a flashlight suddenly become dim or bright when you shake it?
The temperature co-efficient of resistance: The temperature co-efficient of resistance is defined as; The Fractional change in resistance from 0ºC, per degree temp
Derivation of Equation of the physical pendulum
what is a compound pendulum.in detail
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