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In an Intrinsic semiconductor ________.
- a)there are no holes in the material
- b)number of holes is equal to number of electrons
- c)electrons in the material are more than holes
- d)there are no electrons in the material
Correct answer is option 'B'. Can you explain this answer?
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In an Intrinsic semiconductor ________.a)there are no holes in the mat...
Semiconductors which are chemically pure, meaning free of impurities, are called Intrinsic Semiconductors or Un doped Semiconductor or i-type Semiconductor. The most common intrinsic semiconductors are Silicon (Si) and Germanium (Ge), which belong to Group IV of the periodic table. The atomic numbers of Si and Ge are 14 and 32.
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In an Intrinsic semiconductor ________.a)there are no holes in the mat...
Number of Holes is equal to Number of Electrons in an Intrinsic Semiconductor
In an intrinsic semiconductor, the number of holes is equal to the number of electrons. This is due to the fact that intrinsic semiconductors are pure materials like silicon or germanium, which have equal numbers of protons and electrons.
Explanation:
- In an intrinsic semiconductor, the valence band is completely filled with electrons, and the conduction band is empty at absolute zero temperature.
- When some energy is supplied to the semiconductor, electrons are excited from the valence band to the conduction band, leaving behind holes in the valence band.
- The number of holes created is equal to the number of electrons that moved to the conduction band.
- The movement of electrons and holes in opposite directions results in the net charge of the material remaining neutral.
- Therefore, in an intrinsic semiconductor, the number of holes is always equal to the number of electrons, maintaining the overall electrical neutrality of the material.
This balance between electrons and holes is crucial for the proper functioning of semiconductor devices, as it allows for controlled conduction of electric current.
In an intrinsic semiconductor, the number of holes is equal to the number of electrons. This is due to the fact that intrinsic semiconductors are pure materials like silicon or germanium, which have equal numbers of protons and electrons.
Explanation:
- In an intrinsic semiconductor, the valence band is completely filled with electrons, and the conduction band is empty at absolute zero temperature.
- When some energy is supplied to the semiconductor, electrons are excited from the valence band to the conduction band, leaving behind holes in the valence band.
- The number of holes created is equal to the number of electrons that moved to the conduction band.
- The movement of electrons and holes in opposite directions results in the net charge of the material remaining neutral.
- Therefore, in an intrinsic semiconductor, the number of holes is always equal to the number of electrons, maintaining the overall electrical neutrality of the material.
This balance between electrons and holes is crucial for the proper functioning of semiconductor devices, as it allows for controlled conduction of electric current.
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In an Intrinsic semiconductor ________.a)there are no holes in the materialb)number of holes is equal to number of electronsc)electrons in the material are more than holesd)there are no electrons in the materialCorrect answer is option 'B'. Can you explain this answer?
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