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The valency of an impurity added to germanium crystal in order to convert it into a P-type semi-conductor is
- a)6
- b)5
- c)4
- d)3
Correct answer is option 'D'. Can you explain this answer?
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The valency of an impurity added to germanium crystal in order to conv...
Valency of Impurity in P-type Semiconductor Conversion
Introduction:
When adding impurities to a semiconductor crystal, the valency of the impurity plays a crucial role in determining the type of semiconductor created. In the case of converting germanium into a P-type semiconductor, a specific valency is required.
Valency for P-type Semiconductor Conversion:
- The impurity added to germanium for converting it into a P-type semiconductor is typically a trivalent element.
- Trivalent elements have a valency of 3, which means they can donate 3 electrons to the crystal lattice.
- By adding trivalent impurities such as Boron (B) or Aluminium (Al) to germanium, the crystal can create "holes" or positive charge carriers, turning it into a P-type semiconductor.
Correct Answer:
- The valency of the impurity added to germanium crystal in order to convert it into a P-type semiconductor is 3 (option D).
- This valency is essential for creating a deficiency of electrons and generating positive charge carriers in the crystal lattice.
Introduction:
When adding impurities to a semiconductor crystal, the valency of the impurity plays a crucial role in determining the type of semiconductor created. In the case of converting germanium into a P-type semiconductor, a specific valency is required.
Valency for P-type Semiconductor Conversion:
- The impurity added to germanium for converting it into a P-type semiconductor is typically a trivalent element.
- Trivalent elements have a valency of 3, which means they can donate 3 electrons to the crystal lattice.
- By adding trivalent impurities such as Boron (B) or Aluminium (Al) to germanium, the crystal can create "holes" or positive charge carriers, turning it into a P-type semiconductor.
Correct Answer:
- The valency of the impurity added to germanium crystal in order to convert it into a P-type semiconductor is 3 (option D).
- This valency is essential for creating a deficiency of electrons and generating positive charge carriers in the crystal lattice.
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The valency of an impurity added to germanium crystal in order to convert it into a P-type semi-conductor isa)6b)5c)4d)3Correct answer is option 'D'. Can you explain this answer?
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