A student is at height 4m above the ground during a thunderstorm Given that the potential difference between the thunderstorm and the ground is 10⁷V, the electric field created by the storm is

• A.4.0 x 10⁷NC^-1
• B.1.0 x 10⁷NC^-1
• C.2.5 x 10⁶NC^-1
• D.2.0 x 10⁷NC^-1