As per this diagram a point charge $+ q$ is placed at the origin $O$. Work done in taking another point charge $- Q$from the point $A$ [co-ordinates $(0,\,a)$] to another point B [co-ordinates (a, 0)] along the straight path $AB$ is

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Accepted Answer

Zero

Answer

$\left( {\frac{{ - qQ}}{{4\pi {\varepsilon _0}}}\frac{1}{{{a^2}}}} \right)\,\sqrt 2 a$

Answer

$\left( {\frac{{qQ}}{{4\pi {\varepsilon _0}}}\frac{1}{{{a^2}}}} \right)\,\frac{a}{{\sqrt 2 }}$

Answer

$\left( {\frac{{qQ}}{{4\pi {\varepsilon _0}}}\frac{1}{{{a^2}}}} \right)\,\sqrt 2 a$

Electrostatics

Question: As per this diagram a point charge $+ q$ is placed at the origin $O$. Work done in taking another point charge $- Q$from the point $A$ [co-ordinates $(0,\,a)$] to another point B [co-ordinates (a, 0)] along the straight path $AB$ is

Electrostatics

Question: As per this diagram a point charge $+ q$ is placed at the origin $O$. Work done in taking another point charge $- Q$from the point $A$ [co-ordinates $(0,\,a)$] to another point B [co-ordinates (a, 0)] along the straight path $AB$ is

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