ICS Part 2 Physics Chapter 17 Short Questions Preparation


12th Class Physics
Short Questions Preparation

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Online Short Questions For Chapter 6 "ICS Part 2 Physics Chapter 17 Short Questions Preparation "

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Physics - ICS Part 2 Physics Chapter 17 Short Questions Preparation

Question # 1

Define insulators ,conductors and semiconductors.

  • Ans 1: Insulator: Those substance which have valence electrons tightly bound to their atoms are called insulators.
    Conductors: Those substance which have plenty of free electrons for electrical conduction are called conductors,
    Semiconductors:Those substance which have intermediate range of conductivities are called semiconductors e.g germanium and silicon.
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Prepare Complete Set Wise Questions For Chapter 6 "ICS Part 2 Physics Chapter 17 Short Questions Preparation "

ICS Part 2 Physics Chapter 17 Short Questions Preparation - Set 1

Question # 1

Define insulators ,conductors and semiconductors.

  • Ans 1: Insulator: Those substance which have valence electrons tightly bound to their atoms are called insulators.
    Conductors: Those substance which have plenty of free electrons for electrical conduction are called conductors,
    Semiconductors:Those substance which have intermediate range of conductivities are called semiconductors e.g germanium and silicon.
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ICS Part 2 Physics Chapter 17 Short Questions Preparation - Set 2

Question # 1

How n type semiconductors are formed?

  • Ans 1: When a silicon crystal is doped with a pentavalent element,e.g arsenic,antimony or phosphorus etc.four valence electrons of the impurity atom form covalent bond with the four neighbouring Si atoms,while the fifth valence electrons provide a free electron in the crystal.Such a doped semiconductor is called n type semiconductor.
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ICS Part 2 Physics Chapter 17 Short Questions Preparation - Set 3

Question # 1

What is meant by Ferromagnetic substance?

  • Ans 1: In ferromagnetic substance the atoms cooperate with each other in such a away so as to exhibit a strong magnetic field.In ferromagnetic substance there exists a small region called domain.
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ICS Part 2 Physics Chapter 17 Short Questions Preparation - Set 4

Question # 1

Explain what is curie temperature?

  • Ans 1: The temperature at which the domains of ferromagnetic material start losing their orderliness is called Curie temperature,For example the curie temperature of iron is 750oC.
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ICS Part 2 Physics Chapter 17 Short Questions Preparation

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