Explain how the induced charge on a conductor and the bound charge on a dielectr

Question

Explain how the induced charge on a conductor and the bound charge on a dielectric differ atomically. Select One of the Following: (a) Both are identical atomically. (b) Induced charge on a conductor involves motion of charge over macroscopic distances whereas bound charge on a dielectric only requires charge motion over atomic distances. (c) Bound charge on a dielectric involves motion of charge over macroscopic distances whereas induced charge on a conductor only requires charge motion over atomic distances. (d) Induced charge is caused by electrons; bound charge by protons. (e) Induced charge involves only atoms; bound charge molecules.

Explanation / Answer

Correct option is (b).

Conductors have free charge carries and they can moves through out the conductor, which means motion is macroscopically. The dielectrics doesn't contain free charge carries, for example mica, rubber, wood etc. So the bounded charge can move within the atomic distances.

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