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Determine the charge that produces an electric field strength of 40 V/cm at a distance of 30cm in vacuum(in 10^-8C)

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Determine the charge that produces an electric field strength of 40 V/cm at a distance of 30cm in vacuum(in 10^-8C) (a) 4 (b) 2 (c) 8 (d) 6 This question was addressed to me in a national level competition. The question is from Electric Field Intensity in chapter Electrostatic Fields of Electromagnetic Theory Select the correct answer from above options Electromagnetic Theory questions and answers, Electromagnetic Theory questions pdf, Electromagnetic Theory question bank, Electromagnetic Theory questions and answers pdf, mcq on Electromagnetic Theory pdf,electromagnetic theory book pdf,electromagnetic theory pdf notes,electromagnetic theory lecture notes,electromagnetic theory of light,maxwell electromagnetic theory,electromagnetic theory proposed by,electromagnetic theory engineering physics,electromagnetic theory nptel

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The correct choice is (a) 4 Explanation: E = Q/ (4∏εor^2) Q = (4000 X 0.3^2)/ (9 X 10^9) = 4 X 10^-8 C.

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