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PUNJAB BOARD PREVIOUS YEAR PAPERS-Semiconductor Devices-Exercise
- Draw a circuit diagram to show how a photodiode is biased.
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- State the factors, which controls wavelength of light, emitted by a LE...
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- What do you mean by depletion region in a p-n junction ?
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- Draw a PN-Junction with reverse bias.
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- Write briefly, how a Zener diode acts as voltage regulator.
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- Write in brief about Photo-diodes.
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- Explain the terms depletion layer
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- Explain the terms potential barrier for a junction diode.
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- In a transistor, base is made very thin.Explain.
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- Why a transistor cannot be used as a rectifier ?
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- The resistance of a p-n junction is low, when forward biased and is hi...
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- What is photo cell ? State its three applications.
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- Write briefly, how a Zener diode acts as voltage regulator.
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- Why does the thickness of depletion layer of pn-junction increases in ...
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- What is a solar cell ? How does it work ? Write its one use.
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- Explain how the depletion layer and barrier potential are formed in pn...
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- Explain forward bias and reverse bias of the junction diode.
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- With the help of circuit diagram explain working of junction diode as ...
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- With the help of labelled circuit diagram, explainthe working of trans...
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- With the help of circuit diagram, explain the working of transistor as...
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