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Question

Assertion :When two unlike charges are brought nearer, their electrostatic potential energy decreases. Reason: All conservative forces act in the direction of decreasing potential energy.

A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
Both Assertion and Reason are incorrect
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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
The electrostatic force is a conservative force i.e., the total energy of the system (potential energy + kinetic energy) remains same and it act in the direction of decreasing the potential energy.
So, when two unlike charges get closer due to electrostatic force of attraction, the potential energy decreases.
Thus, both assertion and reason are true and reason is correct explanation of the assertion.

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