Assertion :A positively charged particle always moves along the electric lines of forces. Reason: Force on a charged particle is tangential to the electric lines of force.

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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Assertion is incorrect but Reason is correct

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Solution

The correct option is D Assertion is incorrect but Reason is correct
Direction of electric field is always along the tangent. So electrostatic force on a charge particle will be along the tangential line. However, due to initial velocity it may move at an angle to the electric field, if initial velocity is zero then assertion can be true.

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