Transistors
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PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365465 Consider an \(n - p - n\) transitor with its base-emitter junction forward biased and collector base junction reverse biased. Which of the following statements are true?

1 Holes move from base to collector.
2 Electrons crossover from emitter to collector.
3 Electrons from emitter move out of base without going to the collector.
4 Electrons move from collector to base.
NCERT Exemplar
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365466 Assertion :
When \(pn\) junction is forward biased then motion of charge carriers at junction is due to diffusion In reverse biasing, the cause of motion of charge is drifting.
Reason :
In the following circuit emitter is reverse biased and collector is forward biased.
supporting img

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365467 The current gain \(\alpha\) of a transistor in common-base mode is 0.995 . Its current gain \(\beta\) in the common emitter mode is

1 200
2 90.5
3 100
4 1.005
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365468 Assertion :
A transistor amplifier in common emitter configuration has a low input impedance.
Reason :
The base to emitter region is forward biased.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
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PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365465 Consider an \(n - p - n\) transitor with its base-emitter junction forward biased and collector base junction reverse biased. Which of the following statements are true?

1 Holes move from base to collector.
2 Electrons crossover from emitter to collector.
3 Electrons from emitter move out of base without going to the collector.
4 Electrons move from collector to base.
NCERT Exemplar
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365466 Assertion :
When \(pn\) junction is forward biased then motion of charge carriers at junction is due to diffusion In reverse biasing, the cause of motion of charge is drifting.
Reason :
In the following circuit emitter is reverse biased and collector is forward biased.
supporting img

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365467 The current gain \(\alpha\) of a transistor in common-base mode is 0.995 . Its current gain \(\beta\) in the common emitter mode is

1 200
2 90.5
3 100
4 1.005
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365468 Assertion :
A transistor amplifier in common emitter configuration has a low input impedance.
Reason :
The base to emitter region is forward biased.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
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PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365465 Consider an \(n - p - n\) transitor with its base-emitter junction forward biased and collector base junction reverse biased. Which of the following statements are true?

1 Holes move from base to collector.
2 Electrons crossover from emitter to collector.
3 Electrons from emitter move out of base without going to the collector.
4 Electrons move from collector to base.
NCERT Exemplar
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365466 Assertion :
When \(pn\) junction is forward biased then motion of charge carriers at junction is due to diffusion In reverse biasing, the cause of motion of charge is drifting.
Reason :
In the following circuit emitter is reverse biased and collector is forward biased.
supporting img

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365467 The current gain \(\alpha\) of a transistor in common-base mode is 0.995 . Its current gain \(\beta\) in the common emitter mode is

1 200
2 90.5
3 100
4 1.005
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365468 Assertion :
A transistor amplifier in common emitter configuration has a low input impedance.
Reason :
The base to emitter region is forward biased.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
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PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365465 Consider an \(n - p - n\) transitor with its base-emitter junction forward biased and collector base junction reverse biased. Which of the following statements are true?

1 Holes move from base to collector.
2 Electrons crossover from emitter to collector.
3 Electrons from emitter move out of base without going to the collector.
4 Electrons move from collector to base.
NCERT Exemplar
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365466 Assertion :
When \(pn\) junction is forward biased then motion of charge carriers at junction is due to diffusion In reverse biasing, the cause of motion of charge is drifting.
Reason :
In the following circuit emitter is reverse biased and collector is forward biased.
supporting img

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365467 The current gain \(\alpha\) of a transistor in common-base mode is 0.995 . Its current gain \(\beta\) in the common emitter mode is

1 200
2 90.5
3 100
4 1.005
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365468 Assertion :
A transistor amplifier in common emitter configuration has a low input impedance.
Reason :
The base to emitter region is forward biased.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.