The electric field in a region is given by `vecE = (A/x^3) hati.` Write a suitable SI unit for A. Write an expression for the potential in the region assuming the potential at infinity to be zero.

Explanation

To solve the problem, we need to follow these steps:

### Step 1: Determine the SI unit for A
The electric field \(\vec{E}\) is given by:

\[ \vec{E} = \frac{A}{x^3} \hat{i} \]
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