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PUNJAB BOARD PREVIOUS YEAR PAPERS-Solids-Exercise
- What is an Extrinsic Semi-conductor ?
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- What is n-type semiconductor ?
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- What do you mean by p-type semi conductor ?
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- Choose the correct option: Electrical conductivity of a semi conductor...
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- Choose the correct option : A pure semiconductor behaves slightly as a...
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- For metal conductors, the electrical resistivity decreases with the ri...
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- p-type semiconductor is obtained by doping silicon with Indium(In).(Ye...
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- What are extrinsic semiconductor ? Explain acceptor-type semi-conducto...
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- Explain various energy bands in an atom.
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- What is doping ? Write three necessary conditions for it and two metho...
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- Distinguish between conductor and semiconductor on the basis of their ...
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- hat are extrinsic semi-conductors ? Explain donor type semi-conductor.
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- What are ‘holes’? Write their characteristics.
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- Distinguish between energy levels and energy bands.
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- What are extrinsic semiconductor ? Explain acceptor-type semi-conducto...
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- Distinguish between n-type and p-type semiconductors.
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- Distinguish between intrinsic and extrinsic semiconductors.
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- What is the difference between a single crystal and polycrystal ?
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- What is doping ? Write three necessary conditions for it and two metho...
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- Define hole. Give its two characteristics.
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