If identical charges `(-q)` are placed at each corner of a cube of side `b`, then electric potential energy of charge `(+q)` which is palced at centre of the cube will beA. `(-4sqrt2q^2)/(piepsilon_0b)`B. `(-8sqrt2q^2)/(piepsilon_0b)`C. `(-4q^2)/(sqrt3piepsilon_0b)`D. `(8sqrt2q^2)/(4piepsilon_0b)`

If identical charges `(-q)` are placed at each corner of a cube of sid

1.	If identical charges `(-q)` are placed at each corner of a cube of side `b`, then electric potential energy of charge `(+q)` which is palced at centre of the cube will beA. `(-4sqrt2q^2)/(piepsilon_0b)`B. `(-8sqrt2q^2)/(piepsilon_0b)`C. `(-4q^2)/(sqrt3piepsilon_0b)`D. `(8sqrt2q^2)/(4piepsilon_0b)`
Answer» Correct Answer - C `E.P.E=8[1/(4piepsilon_0)((q)(-q))/((sqrt3b//2))]=(-4q^2)/(sqrt3piepsilon_0b)`

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If identical charges `(-q)` are placed at each corner of a cube of side `b`, then electric potential energy of charge `(+q)` which is palced at centre of the cube will beA. `(-4sqrt2q^2)/(piepsilon_0b)`B. `(-8sqrt2q^2)/(piepsilon_0b)`C. `(-4q^2)/(sqrt3piepsilon_0b)`D. `(8sqrt2q^2)/(4piepsilon_0b)`

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