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

What are non ohmic devices?Give two examples.

  • Ans 1: Those devices which don't obey the Ohm's law are called non-ohmic devices.Their current-voltage graphic is not a straight line.For example ,filament bulb and semiconductor diodes.
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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

What are non ohmic devices?Give two examples.

  • Ans 1: Those devices which don't obey the Ohm's law are called non-ohmic devices.Their current-voltage graphic is not a straight line.For example ,filament bulb and semiconductor diodes.
Submit

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

Question # 1

Write about any two sources of Current.

  • Ans 1:
    1. Electric generators convert mechanical energy into the electrical energy.
    2. Solar cells convert sunlight directly into electrical energy.
    3. Thermocouples convert heat energy into electrical energy.
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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