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Statement I:A uniformly charged disk has a pin hole at its centre. The electric field at the center of the disk is zero. Statement II: Disk can be supposed to be made up of many rings. Also, electric field at the center of a uniformly charged ring is zero.A. Statement I is true, Statement II is True, Statement II is a correct explanation for statement I.B. Statement I is true, Statement II is True, Statement II is Not a correct explanation for statement I.C. Statement I is True, Statement II is False.D. Statement I is False, Statement II is True.

Answer» Correct Answer - A
The electric field due to disk is superposition of electric field due to its constituent rings as given in reason. Assertion is true reason is true, reason is a correct explanation for assertion.


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