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By method of images, the problem can be easily calculated by replacing the boundary with which polygon?

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in Electromagnetic Theory by (188k points)
By method of images, the problem can be easily calculated by replacing the boundary with which polygon?

(a) Rectangle

(b) Trapezoid

(c) Square

(d) Triangle

This question was addressed to me during an online exam.

Asked question is from Method of Images in portion Electrostatic Boundary Value Problem of Electromagnetic Theory

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Best answer
Right option is (d) Triangle

The explanation: When any field or potential needs to be calculated for either line charge or coaxial cable or concentric cylinder, the method of images uses a triangle which converts the three dimensional problem to one dimensional analysis. From this, the result can be calculated.

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