ICS Part 2 Physics Chapter 18 Short Questions Preparation


12th Class Physics
Short Questions Preparation

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Physics - ICS Part 2 Physics Chapter 18 Short Questions Preparation

Question # 1

Why charge carriers are not present in the depletion region?

  • Ans 1: This is due to the fact when an electron from an n region diffuses into the p-region,it leaves behind a positive ion.When this electron recombines with the hole in the p-region,a negative ion is formed,So no charge carrier are available in this region,though it contains immobile positive and negative ions.
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Prepare Complete Set Wise Questions For Chapter 7 "ICS Part 2 Physics Chapter 18 Short Questions Preparation "

ICS Part 2 Physics Chapter 18 Short Questions Preparation - Set 1

Question # 1

Why charge carriers are not present in the depletion region?

  • Ans 1: This is due to the fact when an electron from an n region diffuses into the p-region,it leaves behind a positive ion.When this electron recombines with the hole in the p-region,a negative ion is formed,So no charge carrier are available in this region,though it contains immobile positive and negative ions.
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ICS Part 2 Physics Chapter 18 Short Questions Preparation - Set 2

Question # 1

Why charge carriers are not present in the depletion region?

  • Ans 1: This is due to the fact when an electron from an n region diffuses into the p-region,it leaves behind a positive ion.When this electron recombines with the hole in the p-region,a negative ion is formed,So no charge carrier are available in this region,though it contains immobile positive and negative ions.
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ICS Part 2 Physics Chapter 18 Short Questions Preparation - Set 3

Question # 1

How the normal operation of transistor is achieved?

  • Ans 1: For the normal operation the base emitter junction of transistor is forward biased and collector base junction is reverse.
    In a common emitter amplifier ,input signal is applied between base and emitter and output signal is taken across collector and emitter,Similarly emitter base junction is forward biased and collector base junction is reverse biased.
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ICS Part 2 Physics Chapter 18 Short Questions Preparation