The variation of potential `V` with distance `r` from dixed point is shown in Fig. The magnitude of electric field at, `r = 2 cm` (in volt/cm) is :

The variation of potential `V` with distance `r` from dixed point is s

1.	The variation of potential `V` with distance `r` from dixed point is shown in Fig. The magnitude of electric field at, `r = 2 cm` (in volt/cm) is :
Answer» Correct Answer - 2 From `E = (-dV)/(dr)`, Fig `E = (-(4-0))/(2-0) = -2 V//cm` In magnitude, `E = 2 vol t//cm`

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The variation of potential `V` with distance `r` from dixed point is shown in Fig. The magnitude of electric field at, `r = 2 cm` (in volt/cm) is :

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