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Assertion At a point in space, the electric field points towards north. In the region, surrounding this point the rate of change of potential will be zero along the east and west Reason Electric field due to a charge is in the space around the charge

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Assertion is incorrect but Reason is correct

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

Solution

If the electric field points north, potential decreases most rapidly to the north, so moving east or west gives no first-order change in potential. The reason is a true statement about electric fields around charges, but it does not explain the specific east-west potential change in the assertion.

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