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In a pure semiconductor, concentration of electrons in conduction band is equal to the concentration of holes in valence band. In the process of conduction when an electric field is applied, the electron moves in the opposite direction of the field and occupies the position of nearest hole, so that, a new hole is created in the place of electron.
This process of electron movement and hole movement continues in the semiconductor substance. In the applied electric field, electrons move towards positive terminal of the battery and hole moves towards negative terminal of the battery.
Reducing friction with ball bearings Find two tin cans that have a deep groove approximately the top, such as paint cans. Lay marbles in single groove and invert the other can
Why the velocity of light is limiting velocity of anything.
Define Polarization of Ideal Gas? Evaluate the electric polarization P of an ideal gas consisting of molecules having a constant electric dipole moment P in a homogeneous exter
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Correspondence limit (N. Bohr) The restriction at which a more general theory decrease to a more specialized theory while the conditions that the specialized theory needs are t
what type of transformer we use in this
A mild steel closed magnetic circuit has a mean length of 75mm and a cross-sectional area of 320.2mm 2 . A current of 0.40 a flows in a coil wound uniformly around the circuit
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