The electric Potential V at any Point o (x, y, z all in metres) in space is given by `V = 4x
^2` volt. The electric field at the point (1m, 0.2m) in volt/metre is ......
Options:
(a) 8, along negative x - axis
(b) 8, along positives x - axis
(c) 16, along negative x - axis
(d) 16, along positives x - axis