If the electric field intensity in a fair weather atmosphere is $100 \,V / m$, then the total charge on the earth's surface is ............ $C$ (radius of the earth is $6400\,km$ )
If the electric field intensity in a fair weather atmosphere is $100 \,V / m$, then the total charge on the earth's surface is ............ $C$ (radius of the earth is $6400\,km$ )
- A
$4.55 \times 10^7$
- B
$4.55 \times 10^8$
- C
$4.55 \times 10^5$
- D
$4.55 \times 10^6$
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