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7
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1
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50k
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With energy band diagram ,explain the variation of fermi energy level with temperature in extrinsic semiconductor.
engineering physics updated 4.6 years ago by teamques10 ★ 68k
0
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1.1k
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Show that fermi energy level in intrinsic semiconductor is at the Centre of forbidden energy gap. What is the probability of an electron being thermally excited to the conduction band in Si at 30 c.
engineering physics updated 4.6 years ago by teamques10 ★ 68k
7
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71k
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State the Hall effect. Derive the expression for Hall coefficient with neat diagram.
engineering physics updated 4.6 years ago by teamques10 ★ 68k
0
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845
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calculate conductivity if
engineering physics updated 4.6 years ago by teamques10 ★ 68k
1
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9.3k
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Draw the energy band diagram of p-n junction diode in forward and reverse bias condition.
engineering physics updated 4.6 years ago by teamques10 ★ 68k
0
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1
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734
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what would be the resistivity of n-type Si
engineering physics updated 4.6 years ago by teamques10 ★ 68k
0
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1
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1.4k
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What is the principle of solar cell? Write its advantages and disadvantages.
engineering physics updated 4.6 years ago by teamques10 ★ 68k
0
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1
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1.8k
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Explain the concept of fermi level. Prove that the Fermi level exactly at the centre of the Forbidden energy gap in intrinsic semiconductor.
engineering physics updated 4.6 years ago by teamques10 ★ 68k
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1.3k
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calculate the intrinsic carrier density.
engineering physics updated 4.6 years ago by teamques10 ★ 68k
4
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27k
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Distinguish between Type I and Type II superconductor.
engineering physics updated 4.6 years ago by teamques10 ★ 68k
0
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2.0k
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Explain the formation of potential barrier across the unbiased p-n junction region
engineering physics updated 4.6 years ago by teamques10 ★ 68k
1
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889
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How does the position of fermi energy level changes with increasing doping concentration in p-type semi-conductor ? sketch diagram.
engineering physics updated 4.6 years ago by teamques10 ★ 68k
0
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1.2k
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Define the term drift current and mobility of a charge carriers
engineering physics updated 4.6 years ago by teamques10 ★ 68k
2
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1
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19k
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Draw the I-V characteristics of a photo -diode. What is meant by dark current?
engineering physics updated 4.6 years ago by teamques10 ★ 68k
0
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3.8k
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What is the significance of wave function ? derive the expression for energy eigen values for the free particle in one dimensional potential well.
engineering physics updated 4.6 years ago by teamques10 ★ 68k
0
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1.0k
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Obtain one dimensional time dependent time independent Schrodinger equation.
engineering physics updated 4.6 years ago by teamques10 ★ 68k
0
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1
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1.9k
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Arrive at Heisenbergs uncertainty principle with single slit electron diffraction.
engineering physics updated 4.6 years ago by teamques10 ★ 68k
0
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7.6k
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Calculate the frequency and wavelength of photon whose energy is 75eV .
engineering physics updated 4.6 years ago by teamques10 ★ 68k
0
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1
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1.5k
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1
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What is the significance of wave function? Derive the expression for energy Eigen Values for free particle in one dimensional potential well.
engineering physics updated 4.6 years ago by teamques10 ★ 68k
0
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1
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6.0k
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Obtain one dimensional time dependent Schrodinger equation.
engineering physics updated 4.6 years ago by teamques10 ★ 68k
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1
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With Heisenbergs uncertainty principle prove that electron cannot survive in nucleus. . An electron has a speed of 300m/sec. with uncertainty of 0.01% . find the accuracy in its position.
engineering physics updated 4.6 years ago by teamques10 ★ 68k
0
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1.8k
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1
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Calculate the frequency and wavelength of photon whose energy is 75eV.
engineering physics updated 4.6 years ago by teamques10 ★ 68k
0
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1
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13k
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) In a solid the energy level is lying 0.012 eV below Fermi level. What is the probability of this level not being occupied by an electron 27 celcius
engineering physics updated 4.6 years ago by teamques10 ★ 68k
2
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1
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5.7k
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1
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Write Fermi Dirac distribution function. With the help of diagram. Explain the variation of Fermi level with temperature in n-type semiconductor
engineering physics updated 4.6 years ago by teamques10 ★ 68k
3
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10k
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Derive Schrodinger time dependent wave equation for matter waves
engineering physics updated 4.6 years ago by teamques10 ★ 68k
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