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

`4pi epsilon_(0)Q xx 10^(22) Vm^(-1)`

`12pi epsilon_(0)Q xx 10^(20) Vm^(-1)`

`4pi epsilon_(0)Q xx 10^(20) Vm^(-1)`

`12pi epsilon_(0)Q xx 10^(22) Vm^(-1)`

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