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Electrostatics question

2007 · Shift 0 · Q82

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JEE Main
Physics
Electrostatics
2007 · Shift 0 · Q82

Electrostatics question

2007 · Shift 0 · Q82

JEE MainPhysicsElectrostaticsMCQ+4 / −1

The potential at a point

x

(measured in

\mu \,m

) due to some charges situated on the

x

-axis is given by

V\left( x \right) = 20/\left( {{x^2} - 4} \right)

volt The electric field

E

at

x = 4\,\mu \,m

is given by

A
$(10/9)$ volt / $\mu m$ and in the $+ vex$ direction
B
$\left( {5/3} \right)$ volt/ $\mu m$ and in the $-vex$ direction
C
$\left( {5/3} \right)$ volt/ $\mu m$ and in the $+vex$ direction
D
$\left( {10/9} \right)$ volt/ $\mu \,m$ and in the $-vex$ direction

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