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In an n-p-n transistor
- a)holes move from emitter to base
- b)holes move from base to collector
- c)negative charge moves from emitter to base
- d)negative charge moves from collector to base
Correct answer is option 'C'. Can you explain this answer?
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In an n-p-n transistora)holes move from emitter to baseb)holes move fr...
Explanation:
n-p-n Transistor:
An n-p-n transistor is a type of bipolar junction transistor (BJT) where a thin layer of p-type semiconductor is sandwiched between two layers of n-type semiconductors.
Charge Movement in n-p-n Transistor:
Correct Answer:
In an n-p-n transistor, negative charge (electrons) move from the emitter to the base. This is because the emitter is made of n-type semiconductor, and electrons are the majority charge carriers in n-type materials. The movement of electrons from the emitter to the base is essential for the transistor to function as an amplifier or a switch.
n-p-n Transistor:
An n-p-n transistor is a type of bipolar junction transistor (BJT) where a thin layer of p-type semiconductor is sandwiched between two layers of n-type semiconductors.
Charge Movement in n-p-n Transistor:
- Electrons in Emitter: In an n-p-n transistor, the emitter is made of n-type semiconductor. When a small current is applied to the emitter, electrons (negative charge) move from the emitter to the base.
- Base Region: The base region is usually very thin in an n-p-n transistor. The base is made of p-type semiconductor which attracts the electrons coming from the emitter.
- Collector: The collector is made of n-type semiconductor. The electrons that have crossed the base region now move towards the collector due to the electric field present in the collector-base junction.
Correct Answer:
In an n-p-n transistor, negative charge (electrons) move from the emitter to the base. This is because the emitter is made of n-type semiconductor, and electrons are the majority charge carriers in n-type materials. The movement of electrons from the emitter to the base is essential for the transistor to function as an amplifier or a switch.
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In an n-p-n transistora)holes move from emitter to baseb)holes move from base to collectorc)negative charge moves from emitter to based)negative charge moves from collector to baseCorrect answer is option 'C'. Can you explain this answer?
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