The electric potential V at any point x, y, z in space is given by V = `4x^(2)` volt. The electric field at the point (1m, 0, 2m) in volt `metre^(-1)` is ....(a)8 along negative x-axis (b)8 along positive x-axis (c)16 along negative x-axis (d)16 along positive x-axis

Options

A. 8 along negative x-axis
B. 8 along positive x-axis
C. 16 along negative x-axis
D. 16 along positive x-axis