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What is an amplifier?...

What is an amplifier?

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Amplifier: It is a device which can increase the strength of an input signal by drawing energy from separate source to that of the signal.
OR
Amplifier is a device which can increase the strength of the input signal.
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Draw the circuit of a transistor as an amplifier.

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BETTER CHOICE PUBLICATION-SEMI CONDUCTOR DEVICES-Short Answer Type Questions
  1. The resistance of a p-n junction is low, when forward biased and is hi...

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  2. Explain the following A transistor is a temperature - senstive device.

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  3. Explain , why the input resistance of a transistor is low and output r...

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  4. If the emitter and base of n-p-n transistor have same doping concentra...

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  5. What is an amplifier?

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  6. Draw a labelled circuit diagram of a full wave rectifier using junctio...

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  7. What is rectifier ? Explain the working of junction diode as a full wa...

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  8. Explain the terms depletion layer

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  9. Explain the terms depletion layer

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  10. Explain the terms potential barrier for a junction diode.

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  11. Explain forward bias and reverse bias of the junction diode.

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  12. With the help of labelled circuit diagram, explainthe working of trans...

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  13. With the help of circuit diagram, explain the working of transistor as...

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  14. With the help of suitable diagrams, explain the function of p-n juncti...

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  15. With the help of circuit diagram, explain the working of transistor as...

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  16. Define Rectification. With the help a circuit diagram explain the work...

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  17. What is transistor ? Give the symbols of n-p-n and p-n-p transistor.

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  18. With the help of circuit diagram, explain the working of transistor as...

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  19. Discuss the variation of current with voltage in a P-N Junction diode ...

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  20. With the help of circuit diagram, explain theV-l characteristics of p-...

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