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In a BJT, if the collector-base junction is reverse-biased and the base-emitter junction is forward-biased, which region is the BJT operating in?
- a)Saturation region
- b)Active region
- c)Cutoff region
- d)None of the mentioned
Correct answer is option 'B'. Can you explain this answer?
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In a BJT, if the collector-base junction is reverse-biased and the bas...
If the collector-base junction is reverse-biased and the base-emitter junction is forward-biased,then the BJT functions in the active region of the output characteristics.
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In a BJT, if the collector-base junction is reverse-biased and the bas...
Operating Regions of a BJT
A Bipolar Junction Transistor (BJT) operates in three different regions based on the biasing of its two pn-junctions:
1. Cutoff Region: In this region, both the collector-base and base-emitter junctions are reverse-biased, and there is no current flow through the transistor.
2. Active Region: In this region, the collector-base junction is reverse-biased, and the base-emitter junction is forward-biased. The transistor operates as an amplifier in this region.
3. Saturation Region: In this region, both the collector-base and base-emitter junctions are forward-biased, and the transistor operates as a switch.
Answer Explanation
The question states that the collector-base junction is reverse-biased, and the base-emitter junction is forward-biased. Based on the operating regions of a BJT, we can conclude that the transistor is operating in the Active Region. In this region, the transistor acts as an amplifier, and the output current is proportional to the input current. The gain of the transistor is highest in this region, and it is commonly used in amplifier circuits. Therefore, the correct answer is option 'B'.
A Bipolar Junction Transistor (BJT) operates in three different regions based on the biasing of its two pn-junctions:
1. Cutoff Region: In this region, both the collector-base and base-emitter junctions are reverse-biased, and there is no current flow through the transistor.
2. Active Region: In this region, the collector-base junction is reverse-biased, and the base-emitter junction is forward-biased. The transistor operates as an amplifier in this region.
3. Saturation Region: In this region, both the collector-base and base-emitter junctions are forward-biased, and the transistor operates as a switch.
Answer Explanation
The question states that the collector-base junction is reverse-biased, and the base-emitter junction is forward-biased. Based on the operating regions of a BJT, we can conclude that the transistor is operating in the Active Region. In this region, the transistor acts as an amplifier, and the output current is proportional to the input current. The gain of the transistor is highest in this region, and it is commonly used in amplifier circuits. Therefore, the correct answer is option 'B'.
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In a BJT, if the collector-base junction is reverse-biased and the base-emitter junction is forward-biased, which region is the BJT operating in?a)Saturation regionb)Active regionc)Cutoff regiond)None of the mentionedCorrect answer is option 'B'. Can you explain this answer?
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