A student is at a height 4m above the ground during a thunderstorm. Give that the potential difference between the thundercloud and the ground is 107v, the electric field created by the storm is?

A. 2.0 x 10⁶ NC ^-1
B. 2. 5 x 10⁶ NC ^-1
C. 1.0 x 10⁷ NC ^-1
D. 4.0 x 10⁷ NC ^-1

Correct Answer:

Option B – 2. 5 x 10⁶ NC ^-1

Explanation

v = E x d, => E = v/d
i.e E 107/4 = 2.5 x 10⁶ NC ^-1

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