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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.
From top of a tower a stone is thrown up and it reaches the ground in time t1. A second stone is thrown down with the same speed and it reaches the ground in t2. A third stone is r
How michelson interferometer is used to determine the wavelength difference between the D1 and D2 lines of sodiun
Resistivity of conductors is most affected by (A) Composition. (B) Temperature. (C) Pressure. (D) Current. Ans: Resistivity of conductors is most
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find time period and frequency of vibration of water level in a limb of manometer executing simple harmonic vibrations
in compton effect explain the presence of unmodified radiation
Please help me identify a physics based reason for why it may be advantageous to have a less than average person as a jockey in a horse race.
two insulated charged copper spheres A and B of identical size have charge q and -3q respectably .when they are brought in contact with each other and then separated,what are the n
A thin isotropic metal plate is subjected to the plane stress state shown (properties of the metal are: E = 10x10 6 psi and ν = 0.250). A uniaxial strain gage is mounted on the pl
What is the Ohm Law? Ohm discovered that the amount of current was directly proportional to the voltage (more voltage gives more current) and inversely proportional to the resi
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