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Electrostatics question

2009 · Shift 0 · Q62

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JEE Main
Physics
Electrostatics
2009 · Shift 0 · Q62

Electrostatics question

2009 · Shift 0 · Q62

JEE MainPhysicsElectrostaticsMCQ+4 / −1

A charge

Q

is placed at each of the opposite corners of a square. A charge

q

is placed at each of the other two corners. If the net electrical force on

Q

is zero, then

Q/q

equals:

A
$-1$
B
$1$
C
$- {1 \over {\sqrt 2 }}$
D
$- 2\sqrt 2$

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