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An n-p-n transistor has three leads A, B and C. Connecting B and C by moist fingers, A to the positive lead of an ammeter, and C to the negative lead of the ammeter, one finds large deflection. Then, A, B and C refer respectively to :
- a)Emitter, base and collector
- b)Base, emitter and collector
- c)Base, collector and emitter
- d)Collector, emitter and base
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
An n-p-n transistor has three leads A, B and C. Connecting B and C by ...
In n-p-n or p-n-p transistor, the emitter, collector and base are,
• Collector is moderately doped
• Emitter is heavily doped
• Base is lightly doped.
The transistors are current controlled device in which high current flows between emitter and collector during conduction state.
Hence, in the given system, A refers to Emitter, B refers to base and C refers to collector.
• Collector is moderately doped
• Emitter is heavily doped
• Base is lightly doped.
The transistors are current controlled device in which high current flows between emitter and collector during conduction state.
Hence, in the given system, A refers to Emitter, B refers to base and C refers to collector.
Most Upvoted Answer
An n-p-n transistor has three leads A, B and C. Connecting B and C by ...
Explanation:
Introduction to NPN Transistor:
An NPN transistor is a three-lead semiconductor device that consists of two layers of n-type semiconductor material separated by a thin layer of p-type material. It is one of the most commonly used types of transistors in electronic circuits.
Understanding the Leads:
In an NPN transistor, the three leads are commonly labeled as A, B, and C. Each lead has a specific role in the functioning of the transistor. Let's understand the role of each lead:
A - Emitter:
The emitter is the lead through which the majority charge carriers (electrons in an NPN transistor) are emitted into the base region. It is typically connected to the negative terminal of the power supply.
B - Base:
The base is the lead that controls the flow of charge carriers from the emitter to the collector. By applying a small current or voltage to the base lead, the transistor can be switched on or off. It is typically connected to the positive terminal of the power supply.
C - Collector:
The collector is the lead that collects the majority charge carriers (electrons in an NPN transistor) that pass through the base region. It is typically connected to the positive terminal of the power supply.
Connection and Observation:
In the given scenario, the transistor is connected as follows:
- Lead B (base) is connected to lead C (collector) by moist fingers.
- Lead A (emitter) is connected to the positive lead of an ammeter.
- Lead C (collector) is connected to the negative lead of the ammeter.
When the connections are made, the ammeter shows a large deflection, indicating the presence of a significant current flow.
Explanation:
Based on the observation, we can conclude the following:
- The moist fingers act as a low-resistance path between the base and the collector.
- The base-emitter junction is forward-biased, allowing a large current to flow from the emitter to the base.
- The current flows through the base-emitter junction, through the moist fingers (acting as a low-resistance path), and into the collector.
- This large current flow through the collector-emitter junction causes a large deflection on the ammeter.
Conclusion:
Based on the given scenario and observation, we can conclude that:
- Lead A corresponds to the emitter.
- Lead B corresponds to the base.
- Lead C corresponds to the collector.
Therefore, the correct option is 'A' - Emitter, base, and collector.
Introduction to NPN Transistor:
An NPN transistor is a three-lead semiconductor device that consists of two layers of n-type semiconductor material separated by a thin layer of p-type material. It is one of the most commonly used types of transistors in electronic circuits.
Understanding the Leads:
In an NPN transistor, the three leads are commonly labeled as A, B, and C. Each lead has a specific role in the functioning of the transistor. Let's understand the role of each lead:
A - Emitter:
The emitter is the lead through which the majority charge carriers (electrons in an NPN transistor) are emitted into the base region. It is typically connected to the negative terminal of the power supply.
B - Base:
The base is the lead that controls the flow of charge carriers from the emitter to the collector. By applying a small current or voltage to the base lead, the transistor can be switched on or off. It is typically connected to the positive terminal of the power supply.
C - Collector:
The collector is the lead that collects the majority charge carriers (electrons in an NPN transistor) that pass through the base region. It is typically connected to the positive terminal of the power supply.
Connection and Observation:
In the given scenario, the transistor is connected as follows:
- Lead B (base) is connected to lead C (collector) by moist fingers.
- Lead A (emitter) is connected to the positive lead of an ammeter.
- Lead C (collector) is connected to the negative lead of the ammeter.
When the connections are made, the ammeter shows a large deflection, indicating the presence of a significant current flow.
Explanation:
Based on the observation, we can conclude the following:
- The moist fingers act as a low-resistance path between the base and the collector.
- The base-emitter junction is forward-biased, allowing a large current to flow from the emitter to the base.
- The current flows through the base-emitter junction, through the moist fingers (acting as a low-resistance path), and into the collector.
- This large current flow through the collector-emitter junction causes a large deflection on the ammeter.
Conclusion:
Based on the given scenario and observation, we can conclude that:
- Lead A corresponds to the emitter.
- Lead B corresponds to the base.
- Lead C corresponds to the collector.
Therefore, the correct option is 'A' - Emitter, base, and collector.
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An n-p-n transistor has three leads A, B and C. Connecting B and C by moist fingers, A to the positive lead of an ammeter, and C to the negative lead of the ammeter, one finds large deflection. Then, A, B and C refer respectively to :a)Emitter, base and collectorb)Base, emitter and collectorc)Base, collector and emitterd)Collector, emitter and baseCorrect answer is option 'A'. Can you explain this answer?
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An n-p-n transistor has three leads A, B and C. Connecting B and C by moist fingers, A to the positive lead of an ammeter, and C to the negative lead of the ammeter, one finds large deflection. Then, A, B and C refer respectively to :a)Emitter, base and collectorb)Base, emitter and collectorc)Base, collector and emitterd)Collector, emitter and baseCorrect 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 An n-p-n transistor has three leads A, B and C. Connecting B and C by moist fingers, A to the positive lead of an ammeter, and C to the negative lead of the ammeter, one finds large deflection. Then, A, B and C refer respectively to :a)Emitter, base and collectorb)Base, emitter and collectorc)Base, collector and emitterd)Collector, emitter and baseCorrect 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 An n-p-n transistor has three leads A, B and C. Connecting B and C by moist fingers, A to the positive lead of an ammeter, and C to the negative lead of the ammeter, one finds large deflection. Then, A, B and C refer respectively to :a)Emitter, base and collectorb)Base, emitter and collectorc)Base, collector and emitterd)Collector, emitter and baseCorrect answer is option 'A'. Can you explain this answer?.
An n-p-n transistor has three leads A, B and C. Connecting B and C by moist fingers, A to the positive lead of an ammeter, and C to the negative lead of the ammeter, one finds large deflection. Then, A, B and C refer respectively to :a)Emitter, base and collectorb)Base, emitter and collectorc)Base, collector and emitterd)Collector, emitter and baseCorrect 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 An n-p-n transistor has three leads A, B and C. Connecting B and C by moist fingers, A to the positive lead of an ammeter, and C to the negative lead of the ammeter, one finds large deflection. Then, A, B and C refer respectively to :a)Emitter, base and collectorb)Base, emitter and collectorc)Base, collector and emitterd)Collector, emitter and baseCorrect 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 An n-p-n transistor has three leads A, B and C. Connecting B and C by moist fingers, A to the positive lead of an ammeter, and C to the negative lead of the ammeter, one finds large deflection. Then, A, B and C refer respectively to :a)Emitter, base and collectorb)Base, emitter and collectorc)Base, collector and emitterd)Collector, emitter and baseCorrect answer is option 'A'. Can you explain this answer?.
Solutions for An n-p-n transistor has three leads A, B and C. Connecting B and C by moist fingers, A to the positive lead of an ammeter, and C to the negative lead of the ammeter, one finds large deflection. Then, A, B and C refer respectively to :a)Emitter, base and collectorb)Base, emitter and collectorc)Base, collector and emitterd)Collector, emitter and baseCorrect answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for JEE.
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