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

How can rheostat be used as potential divider?

  • Ans 1: By adjusting the sliding contact resistance of the rheostat can be altered which in turn would regulate the potential offered by the cell E to the main circuit,And thus a rheostat can be used as potential divider.
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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

How can rheostat be used as potential divider?

  • Ans 1: By adjusting the sliding contact resistance of the rheostat can be altered which in turn would regulate the potential offered by the cell E to the main circuit,And thus a rheostat can be used as potential divider.
Submit

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

Question # 1

A voltmeter can not read the exact EMF of the cell.Why?

  • Ans 1: When a voltmeter is connected across a cell,it will draw some current from the cell and small potential drop takes place due current flowing through the internal resistance of the cell.As a result the actual emf of the cell decrease and the voltmeter cannot read exact value.
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ICS Part 2 Physics Chapter 13 Short Questions Preparation - Set 3

Question # 1

State Ohm's law and write its formula.

  • Ans 1: It states that "the current flowing through a conductor is directly proportional to the applied potential difference provided that the physical state remains same"
    V=IR
    Resistance: The opposition against the flow of current is known as resistance.The SI unit of resistance is Ohm
    R=V/I
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ICS Part 2 Physics Chapter 13 Short Questions Preparation

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