Calculate the electric potential at the centre of a square of side root2 m having charges 100uC , -50uC , - Physics - Electrostatic Potential And Capacitance

Question

Calculate the electric potential at the centre of a square of side
root2 m having charges 100uC , -50uC , 20uC and -60uC at the four
corners of the square

Aarushi Mishra · Accepted Answer

<img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_5ae2b3cd551f1%20png"
style=
"width: 401px; height: 385px;">Side of square, a= 2mLength of diagonal=2a=2mDistance ofcenter of square from each charge, r=12×length of diagonal=1mQ1=100μC=100×10-6CQ2=-50μC=-50×10-6CQ3=20μC=20×10-6CQ4=-60μC=-60×10-6CPotential at the center of square, V=KQ1r+KQ2r+KQ3r+KQ4rV=KrQ1+Q2+Q3+Q4V=9×1091100×10-6C-50×10-6C+20×10-6C-60×10-6CV=9×10910×10-6C=90000V=90kV

Calculate the electric potential at the centre of a square of side root2 m having charges 100uC , -50uC , 20uC and -60uC at the four corners of the square .