Question
Question: The potential of the electric field produced by a point charge at any point (x, y, z) is given by ; ...
The potential of the electric field produced by a point charge at any point (x, y, z) is given by ; V = 3x2 + 5, where x, y, z are in metres and V is in volts. The intensity of the electric field at (–2, 1, 0) is-
A
+17 Vm–1
B
–17 Vm–1
C
+12 Vm–1
D
–12 Vm–1
Answer
+12 Vm–1
Explanation
Solution
Ex = –