Assertion :If the two charges have the same sign, the electrostatic force between them is repulsive; if they have different signs, the force between them is attractive. Reason: the electrostatic force is proportional to the charges contained by entities.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
An assertion is correct because like charges repel and unlike charges attract. The reason is also correct, that electrostatic force is proportional to charges.
Because electrostatic force is $\propto q_{1} q_{2}$ : proportional to product of charges.
But the reason is not the correct explanation for an assertion.

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(b) Assertion and reason both are wrong statements.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
(e) Both assertion and reason are correct statements but reason is not correct explanation of assertion.

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