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Statement-1 : A p-type semiconductor has...

Statement-1 : A p-type semiconductor has ney positive charge on it.
Statement-2 : Holes are majority carriers in it.

A

Statement-1 is true, Statement-2 is true, Statement-2 is a correct explanation of Statement-1.

B

Statement-1 is true, Statement-2 is true, Statement-2 is not a correct explanation of Statement-1.

C

Statement-1 is true, Statement-2 is false.

D

Statement-1 is false, Statement-2 is true.

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question, we need to analyze both statements regarding a p-type semiconductor: ### Step 1: Analyze Statement 1 - **Statement 1**: "A p-type semiconductor has a net positive charge on it." - In a p-type semiconductor, holes are created when trivalent impurities (like boron) are added to a pure semiconductor (like silicon). This process creates "holes" which are the absence of electrons and can be thought of as positive charge carriers. - However, the p-type semiconductor as a whole remains electrically neutral. The number of positive holes created is balanced by the negative charge of the electrons, leading to no net charge. - **Conclusion**: Statement 1 is **false**. ### Step 2: Analyze Statement 2 - **Statement 2**: "Holes are majority carriers in it." - In a p-type semiconductor, the majority carriers are indeed holes. This is because the doping process increases the number of holes significantly compared to the number of electrons. - **Conclusion**: Statement 2 is **true**. ### Step 3: Final Evaluation - We have determined that: - Statement 1 is false. - Statement 2 is true. - Therefore, the correct conclusion is that Statement 1 is false and Statement 2 is true. ### Step 4: Choose the Correct Option - Based on the evaluations: - The correct option is that Statement 1 is false and Statement 2 is true. ### Summary - **Final Answer**: Statement 1 is false, and Statement 2 is true.

To solve the question, we need to analyze both statements regarding a p-type semiconductor: ### Step 1: Analyze Statement 1 - **Statement 1**: "A p-type semiconductor has a net positive charge on it." - In a p-type semiconductor, holes are created when trivalent impurities (like boron) are added to a pure semiconductor (like silicon). This process creates "holes" which are the absence of electrons and can be thought of as positive charge carriers. - However, the p-type semiconductor as a whole remains electrically neutral. The number of positive holes created is balanced by the negative charge of the electrons, leading to no net charge. - **Conclusion**: Statement 1 is **false**. ...
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PRADEEP-ELECTRONIC DEVICES-Exercise
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  2. Statement-1 : When the temperature of a semiconductor is increased, th...

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  3. Statement-1 : A p-type semiconductor has ney positive charge on it. ...

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  4. Statement-1 : At a fixed temperature, silicon will have a minimum cond...

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  5. Statement-1 : The direction of diffusion current in a junction diode i...

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  6. Statement-1 : A transistor with common emitter mode has current gain 5...

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  7. Assertion: NOT gate is also called inverter circuit. Reason: NOT gat...

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  8. A specimen of silicon is to be made p-type semiconductor. For this one...

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  9. For n-type semiconductor, it is stated that (i) there are more numbe...

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  10. Suppose the energy liberated in the recombination of a hole-electron p...

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  11. The forward characteristic of p-n junction is shown in Fig.What is the...

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  12. In a forward biased PN- junction diode, the potential barrier in the d...

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  13. What is the current through 1Omega resistance? Fig.

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  14. In an NPN transistor the collector current is 24 mA. If 80% of electro...

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  15. The conduction band of a solid is partially filled at 0 K.will it be a...

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  16. In a good conductor of electricity the type of bonding that exists is ...

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  17. In intrinsic semiconductor at room temperature, the number of electron...

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  18. The forbidden energy band gap in conductors, semiconductors and insula...

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  19. In an n-type semiconductor, the fermi level lies 0.3 eV below the cond...

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  20. n-type semiconductor is obtained when

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