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PUNJAB BOARD PREVIOUS YEAR PAPERS-Semiconductor Devices-Exercise
- 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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- With the help of circuit diagram, explain the working of transistor as...
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- With the help of suitable diagrams, explain the function of p-n juncti...
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- Define Rectification. With the help a circuit diagram explain the work...
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- What is junction diode ? How is depletion layer formed ? Draw its forw...
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- What is transistor ? Give the symbols of n-p-n and p-n-p transistor.
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- Explain with diagram, the working of a transistor as a common-emitter ...
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- What is rectifier ? Explain the working of junction diode as a full wa...
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- Discuss the variation of current with voltage in a P-N Junction diode ...
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