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BINA LIBRARY-ELECTRONIC DEVICES-EXERCISE
- Name a communication device which uses light for its working.
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- What is an energy band?
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- What is a valence band?
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- What is a forbidden band?
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- What is meant by doping?
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- What is the order of energy gap in a semi- conductor?
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- How does the conductivity of a semi- conductor change with rise of tem...
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- What type of semi conductor is formed when Germanium is doped with ind...
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- Draw the magnetic field lines of a bar magnet.
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- Write a short note on "Bar magnet"
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- State an essential requirement for doping process.
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- What type of extrinsic semi- conductor is formed when doped with penta...
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- What are majority charge carries of a n- type semi conductor?
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- What are holes?
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- What is depletion region?
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- What is photoconductivity?
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- What is breakdown voltage of a Zener diode? Explain its use as a volta...
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- Write short notes on the following Light emitting diode
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- Name the diode for which output voltage is a regulated voltage.
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- Why is the base of a transistor thin and low doped?
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- Define current gain ratio (alpha) in common base mode.
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