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PUNJAB BOARD PREVIOUS YEAR PAPERS-Solids-Exercise
- The energy liberated in the ecombination of hole-electron pair is con...
03:57
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- The energy liberated in the ecombination of hole-electron pair is con...
03:14
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- The energy liberated in the ecombination of hole-electron pair is con...
03:40
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- A semiconductor has electron concentration of 4xx10^12 cm^-3 and hole ...
03:28
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- A semiconductor has electron concentration of 4xx10^12 cm^-3 and hole ...
03:55
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- A semiconductor has electron concentration of 8 xx 10^-13 cm^-3 and ho...
03:05
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- A semiconductor has electron concentration of 8 xx 10^-13 cm^-3 and ho...
03:40
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- In a sample of semi conductor mobilities of electrons and holes are 24...
04:37
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- Draw a lattice structure of an intrinsic semi-conductor.
02:32
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- What is conduction band ?
01:55
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- What is doping ?
03:07
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- What is valence band ?
02:21
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- What is an intrinsic Semi-conductor ?
02:55
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- What is doping ?
03:07
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- What is an Extrinsic Semi-conductor ?
03:17
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- Draw the energy-band diagram of p-type semiconductor.
01:35
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- Draw the energy-band diagram for an insulator.
01:27
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- What is Fermi energy level ?
02:28
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- What is doping ?
03:07
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- What do you mean by the term doping in semiconductors ?
01:36
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