Engine 2014: Electricity

1. A the current transformer output current is zero with no ground fault due to balanced individual line currents
2. B the current transformer current is zero with no ground fault due to unbalanced individual line currents
3. C the current transformer output current is zero with a ground fault due to balanced individual line currents
4. D the current transformer current is zero with a ground fault due to unbalanced individual line currents

Tip: press A-D to answer