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BEGINNER'S BOX-2 The potential barrier existing across an unbiased p-n junction is 0.2 volt. What minimum kinetic energy a hole should have to diffuse from the p-side to the n-side if - (b) The junction is forward biased at 0.1 volt (a) The junction is unbiased (c) The junction is reverse-biased at 0.1 volt: Asilicon P-N junction is in forward biased condition with a resistance in series. It has knee voltage of 0.75V connected with 2.75 V battery then calculate the value of

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Q1

The potential barrier existing across an unbiased p-n junction is 0.2 volt. What minimum kinetic energy a hole should have to diffuse from the p-side to the n-side if (a) the junction is unbiased, (b) the junction is forward-biased at 0.1 volt and (c) the junction is reverse- biased at 0.1 volt ?

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Q2
The potential barrier existing an unbiased p-n junction is 0.2volt .What minimum kinetic energy a hole should have to diffuse from the p-side to the n-side if-
i) The junction is unbiased
ii) The junction is forward biased at 0.1 volt
iii) The junction is reverse-biased at 0.1 volt

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Q3
The potential barrier existing across an unbiased p-n junction is $$0\cdot 2\, volt$$. What minimum kinetic energy a hole should have to diffuse from the p-side to the n-side if (a) the junction is unbiased, (b) the junction is forward-biased at $$0\cdot1 \,volt$$ and (c) the junction is reverse-biased at $$0\cdot1 \,volt$$ ?
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Q4
The potential barrier existing across an unbiased p−n junction is 0.2 V. What minimum kinetic energy a hole should have to diffuse from the p−side to the n−side if the junction is forward biased with 0.1 V ?
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Q5
A silicon P-N junction is in forward biased condition with a resistance in series. It has knee voltage of 0.75 V and current flow in it is 10 mA. If the P-N junction is connected with 2.75 V battery then calculate the value of the resistance.
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