Three-phase to ground fault takes place at locations F1

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Three-phase to ground fault takes place at locations F₁ and F₂ in the system shown in the figure

If the fault takes place at location F₁, then the voltage and the current at bus A are V_F1 and I_F1 respectively. If the fault takes place at location F₂, then the voltage and the current at bus A are V_F2 and I_F2 respectively. The correct statements about voltages and currents during faults at F₁ and F₂ is

1. V_F1 leads I_F1 and V_F2 leads I_F2
2. V_F1 leads I_F1 and V_F2 lags I_F2
3. V_F1 lags I_F1 and V_F2 leads I_F2
4. V_F1 lags I_F1 and V_F2 lags I_F2

Correct Option: C

When fault takes place at F₁

Current is feeding into the BUS A. It is like a generator delivering power to BUS (A) When fault takes place at F₂, F₂ point is like load, taking power from generator.