Question
Question: The variation of potential with distance r from a fixed point is shown in diagram. The electric fiel...
The variation of potential with distance r from a fixed point is shown in diagram. The electric field at r = 5 cm is –
A
2.5 V/cm
B
(–2.5) V/cm
C
(–2/5) V/cm
D
(2/5) V/cm
Answer
(–2.5) V/cm
Explanation
Solution
Net charge remains zero