ElectrostaticsHard
Question
The electric potential V at any point (x, y, z), all in meters in space is given by V = 4x2 volts. The electric field at the point (1, 0, 2) in volt/meter, is
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
Solution
where
∴
Here, V = 4x2
∴
The electric field at point (1, 0, 2) is
So electric field is along the negative X-axis.
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