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To use a transistor as an amplifier -
- a)emitter-base junction is forward biased and collector base junction is reverse biased
- b)Both junctions are forward biased
- c)both junctions are reverse biased
- d)it does not matter how the transistor is biased, it always works as an amplifier
Correct answer is option 'A'. Can you explain this answer?
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To use a transistor as an amplifier -a)emitter-base junction is forwar...
Above diagram is for npn transistor used as an amplifier in common base configuration.
From the diagram we can see that, emitter- base junction is in forward bias and collector base junction is in reverse bias.
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To use a transistor as an amplifier -a)emitter-base junction is forwar...
Emitter-Base and Collector-Base Biasing in Transistor Amplifier
Transistors are commonly used in amplifier circuits to amplify weak signals. In order to use a transistor as an amplifier, the emitter-base junction must be forward biased while the collector-base junction must be reverse biased. This ensures proper operation and amplification of the input signal.
Emitter-Base Junction Forward Biased
When the emitter-base junction is forward biased, it allows the flow of current from the emitter to the base. This forward biasing condition provides a low resistance path for the input signal to enter the transistor, enabling amplification.
Collector-Base Junction Reverse Biased
On the other hand, the collector-base junction must be reverse biased to create a high resistance path for the amplified signal to flow from the collector to the base. This reverse biasing condition helps in preventing the flow of current from the collector to the base, allowing the transistor to amplify the input signal effectively.
Importance of Biasing in Amplification
Proper biasing of the transistor is crucial for its operation as an amplifier. If both junctions were forward biased, it could lead to distortion and instability in the amplification process. Similarly, if both junctions were reverse biased, the transistor would not be able to amplify the input signal efficiently.
In conclusion, to use a transistor as an amplifier, it is essential to ensure that the emitter-base junction is forward biased and the collector-base junction is reverse biased. This biasing configuration allows the transistor to amplify weak signals effectively and maintain stability in the amplification process.
Transistors are commonly used in amplifier circuits to amplify weak signals. In order to use a transistor as an amplifier, the emitter-base junction must be forward biased while the collector-base junction must be reverse biased. This ensures proper operation and amplification of the input signal.
Emitter-Base Junction Forward Biased
When the emitter-base junction is forward biased, it allows the flow of current from the emitter to the base. This forward biasing condition provides a low resistance path for the input signal to enter the transistor, enabling amplification.
Collector-Base Junction Reverse Biased
On the other hand, the collector-base junction must be reverse biased to create a high resistance path for the amplified signal to flow from the collector to the base. This reverse biasing condition helps in preventing the flow of current from the collector to the base, allowing the transistor to amplify the input signal effectively.
Importance of Biasing in Amplification
Proper biasing of the transistor is crucial for its operation as an amplifier. If both junctions were forward biased, it could lead to distortion and instability in the amplification process. Similarly, if both junctions were reverse biased, the transistor would not be able to amplify the input signal efficiently.
In conclusion, to use a transistor as an amplifier, it is essential to ensure that the emitter-base junction is forward biased and the collector-base junction is reverse biased. This biasing configuration allows the transistor to amplify weak signals effectively and maintain stability in the amplification process.
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To use a transistor as an amplifier -a)emitter-base junction is forward biased and collector base junction is reverse biasedb)Both junctions are forward biasedc)both junctions are reverse biasedd)it does not matter how the transistor is biased, it always works as an amplifierCorrect answer is option 'A'. Can you explain this answer?
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To use a transistor as an amplifier -a)emitter-base junction is forward biased and collector base junction is reverse biasedb)Both junctions are forward biasedc)both junctions are reverse biasedd)it does not matter how the transistor is biased, it always works as an amplifierCorrect answer is option 'A'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about To use a transistor as an amplifier -a)emitter-base junction is forward biased and collector base junction is reverse biasedb)Both junctions are forward biasedc)both junctions are reverse biasedd)it does not matter how the transistor is biased, it always works as an amplifierCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for To use a transistor as an amplifier -a)emitter-base junction is forward biased and collector base junction is reverse biasedb)Both junctions are forward biasedc)both junctions are reverse biasedd)it does not matter how the transistor is biased, it always works as an amplifierCorrect answer is option 'A'. Can you explain this answer?.
To use a transistor as an amplifier -a)emitter-base junction is forward biased and collector base junction is reverse biasedb)Both junctions are forward biasedc)both junctions are reverse biasedd)it does not matter how the transistor is biased, it always works as an amplifierCorrect answer is option 'A'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about To use a transistor as an amplifier -a)emitter-base junction is forward biased and collector base junction is reverse biasedb)Both junctions are forward biasedc)both junctions are reverse biasedd)it does not matter how the transistor is biased, it always works as an amplifierCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for To use a transistor as an amplifier -a)emitter-base junction is forward biased and collector base junction is reverse biasedb)Both junctions are forward biasedc)both junctions are reverse biasedd)it does not matter how the transistor is biased, it always works as an amplifierCorrect answer is option 'A'. Can you explain this answer?.
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