Answer to Question #121823 in Electricity and Magnetism for maggie

Question #121823
Three charged particles are arranged on corners of square .suppose the +2q charge at the left corner is removed.then does the magnitude of the field at the upper right corner
1
Expert's answer
2020-06-12T11:12:23-0400

E1+E2\overrightarrow{E_1}+\overrightarrow{E_2}

where E1E_1 is electric field due to charge 1 and E2E_2 is electric filed due to charge 2

and since E1 & E2E_1\ \&\ E_2 are perpendicular hence the resultant magnitude will be (E1)2+(E2)2\sqrt{(E_1)^2+(E_2)^2}

E1=k2qa2E_1=\frac{k2q}{a^2}


E2=k2qa2E_2=\frac{k2q}{a^2}


resultant electric field = 22kqa2\dfrac{2\sqrt2kq}{a^2}


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