Four charges are arranged at the corners of a square math xmlns=http://www.w3.org/1998/Math/Math...

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Four charges are arranged at the corners of a square math xmlns=http://www.w3.org/1998/Math/MathML class=wrs_chemistrymiABCD/mi/math, as shown in the adjoining figure. The force on the charge q kept at the centre O is:
img style=display: block; margin-left: auto; margin-right: auto; src=https://penpencil-static-content.s3.ap-south-1.amazonaws.com/5eb393ee95fab7468a79d189/ocxaowuks7jswi9a5a5gqsqt4.png /
 
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