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Class 12 Physics Practice Test: Dielectrics and Polarisation
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Avg score: 67% • Most missed: “The molecules of a polar dielectric have no dipole moment. State true or false.”
Class 12 Physics Practice Test: Dielectrics and Polarisation
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8 Questions

1. What is the ratio of the polarization to εo times the electric field called?
2. In which type of molecule positive and negative charges does not coincide with each other?
3. The molecules of a polar dielectric have no dipole moment. State true or false.
4. ‘X’ is a substance which does not allow the flow of charges through it but permits them to exert electrostatic forces on one another through it. Identify X.
5. Which of the following is an example of a molecule whose centre of mass of positive and negative charges coincide each other?
6. Which of the following is an example of a molecule whose centre of mass of positive and negative charges does not coincide each other?
7. Which of the following is an example of a molecule whose centre of mass of positive and negative charges coincide each other?
8. ‘X’ is a substance which does not allow the flow of charges through it but permits them to exert electrostatic forces on one another through it. Identify X.

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