The variation of potential with distance \[R\] from a fixed point is a – McqOptions

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1.	The variation of potential with distance \[R\] from a fixed point is as shown below. The electric field at \[R=5\,m\]is [NCERT 1975; MP PMT 2003]
A.	\[2.5\ volt/m\]
B.	\[-2.5\ volt/m\]
C.	\[2/5\ volt/m\]
D.	\[-2/5\ volt/m\]
Answer» B. \[-2.5\ volt/m\]

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