Question

Calculate the electric field intensity of a line charge of length 2m and potential 24V. (a) 24 (b) 12 (c) 0.083 (d) 12.67 This question was addressed to me in an international level competition. Question is taken from Method of Images in section Electrostatic Boundary Value Problem 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

Answer 1

The correct option is (b) 12 To explain I would say: The electric field intensity is given by the ratio of potential to distance or length. E = V/d = 24/2 = 12 V/m.