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Superposition of Electric Fields

A positive ch...

Question

A positive charge and a negative charge are held in place and initially form a dipole.
Then a uncharged conducting bar is placed in between them.
How is the force between the charges affected?

A

The force increases.

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B

The force is unaffected.

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C

The force decreases.

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D

The answer cannot be determined.

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Solution

The correct option is A The force increases.
The force between charges increases by placing a conductor because as the effective distance between two charges decreases but in case of glass or other dielectrics it decreases.

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