The potential at a point x (measured in m) due to some charges situated on the x axis is given by V(x) = 20/x-4 .the electric field E at x=4 m is given by (1)10/9 V/m and in the positive x direction (2)5/3. V/m and in the negative x direction (3)5/3 V/m and in the positive x direction (4)10/9. V/m and in the negative x direction

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The potential at a point x (measured in μm) due to some charges situated on the x-axis is given by
V(x) = 20 / $(x^{2}$ - 4) Volt
The electric field E at x = 4 μm is given by:
[AIEEE-2007]

Q. The potential at a point x (measured in m) due to some charges situated on the x-axis is given by V(x) = (20 /x

^{2}

- 4) volts. The electric field E at

x = 4 m

is given by :

The potential at a point x (measured in $μ m$ ) due to some charges situated on the x-axis is given by $V (x) = 20 / (x^{2} - 4)$ volt. The electric field $E$ at $x = 4 μ m$ is given by: