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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.
De Broglie wavelength (L. de Broglie; 1924) The prediction which particles also have wave characteristics, where the effective wavelength of an element would be inversely propo
Determine the force in the hydraulic cylinder AB to 3 significant places in kN if the weight of the bucket and the load is P48 kN acting at G. Neglect the weight of all other membe
deflection magnetometer
Can the batteries used in the torch lights be recharged after their discharge? Give reason? Ans) No,because the NH4Cl corrods the zn containger gradually.so with out anode redox
Draw a picture of a moving source and the waves surrounding it according to what you observed in this experiment. How does the spacing of the wave-fronts in front of the source com
1. Cell growth. if V is the volume of a spherical cell, then, in certain cell growth or for some fetal growth models, the rate of change of V is given by dV/dt =kV2/3, where k
A boat travels 75 km southeast, then 56 km due east, then 25 km 30.0° north of east. a. Sketch the vector set on a N-E-S-W grid b. Find its net E-W part of displacement and
The line integral of the magnetic flux about a closed curve is proportional to the algebraic total of electric currents passing through that closed curve; or, in differential form,
Q. What are the changes that take place at the superconducting transition temperature? At the transition temperature the subsequent changes are observed (i) The electrical res
It is the degree to which a object is magnetized when placed in a magnetic field. It can also be described as the pole strength per unit cross sectional area of the object or th
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