How much work is done in moving a charge of 3.5 C across two points having a potential difference 14 V?

0.25 J 4 J 49 J 6.5 J

4 J

We know : $V = qW$ q : charge ; W = work done $\Rightarrow 14 V = (3.5 C)(W)$ $\Rightarrow W = \frac{14 V}{3.5 C}$   = $4 J$