ICS Part 2 Physics Chapter 13 Short Questions Preparation


12th Class Physics
Short Questions Preparation

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Physics - ICS Part 2 Physics Chapter 13 Short Questions Preparation

Question # 1

Why does the resistance of a conductor rise with a temperature?

  • Ans 1: As the temperature of the conductor rises,the amplitude of vibration of atoms increase and hence the probability of their collision with free electrons also increases which results in increase of resistance of conductor.
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Prepare Complete Set Wise Questions For Chapter 2 "ICS Part 2 Physics Chapter 13 Short Questions Preparation "

ICS Part 2 Physics Chapter 13 Short Questions Preparation - Set 1

Question # 1

Why does the resistance of a conductor rise with a temperature?

  • Ans 1: As the temperature of the conductor rises,the amplitude of vibration of atoms increase and hence the probability of their collision with free electrons also increases which results in increase of resistance of conductor.
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ICS Part 2 Physics Chapter 13 Short Questions Preparation - Set 2

Question # 1

What is the negative coefficient of temperature?

  • Ans 1: If the resistance of a substance decrease with an increase in temperature ,then it is termed as negative coefficient of temperature,For example ,silicon and germanium have negative coefficient of temperature.
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ICS Part 2 Physics Chapter 13 Short Questions Preparation - Set 3

Question # 1

Differentiate between conventional and non-conventional current.

  • Ans 1: Conventional Current: The current flow die to positive charges from a point at higher potential to a point at lower potential is called conventional current.
  • Ans 2: Non-Conventional Current: The amount of electric charge that flow through a cross section of a conductor per unit time is known as electric current.It is also known as non-conventional current.
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ICS Part 2 Physics Chapter 13 Short Questions Preparation