What is a dielectric?

  • A
    $A$ conductor that allows current to flow.
  • B
    An insulating material that can be polarized by an external electric field.
  • C
    $A$ semiconductor material.
  • D
    $A$ magnetic material.

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Similar Questions

Can a metal be used as a medium for a dielectric?

The electric force acting between two point charges kept at a certain distance in vacuum is $16 \ N$. If the same two charges are kept at the same distance in a medium of dielectric constant $8$,the electric force acting between them is . . . . . . .

In a medium of dielectric constant $K$,the electric field is $\vec E$. If $\varepsilon_0$ is the permittivity of free space,the electric displacement vector is:

Explain the difference in the behaviour of a conductor and a dielectric in the presence of an external electric field.

What is the dimensional formula for the intensity of polarization?

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