The electric potential at a point in fre...

The electric potential at a point in free space due to a charge `Q` coulomb is `Q xx 10^(11)` volts. The electric field at that point is

`12 pi epsilon_(0) Q xx 10^(22)` volt/m

`4 pi epsilon_(0) Q xx 10^(22)` volt/m

`12 pi epsilon_(0) Q xx 10^(20)` volt/m

`4 pi epsilon_(0) Q xx 10^(20)` volt/m

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