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Principle of Superposition

An infinite n...

Question

An infinite non-conducting sheet ‘S’ is given a uniform charge density. Two uncharged small conducting spheres A and B are placed near the sheet as shown in the figure. Then, which of the following option(s) is/are correct:

A

S attracts both A and B

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B

A attracts B

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C

S repels both A and B

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D

A and B repel each other

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Solution

The correct option is B A attracts B
Electric field due to sheet is uniform throughout. So it will not attract/repel uncharged body. But due to charge induction A and B attract each other.

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