MHT CET Physics question

Statement 1: The lightening conductor at the top of high building has sharp pointed ends Statement 2: The surface density of charge at sharp points is very high resulting in setting up of electric wind

(A)Assertion is True, Reason is True; Reason is correct explanation for AssertionCorrect
(B)Assertion is True, Reason is True; Reason is not correct explanation for Assertion
(C)Assertion is True, Reason is False
(D)Assertion is False, Reason is True

Answer: (A)

Solution

Both statements are true: the surface charge density is very high at sharp points, so the intense field ionises the air and the resulting electric wind neutralises the

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Question ID VK-075525