Engine 2014: Electricity

1. A it allows the instantaneous average of the three phase legs of alternator current to be displayed on the ammeter
2. B it allows the individual three phase legs of alternator current to be displayed on the ammeter by selective switching
3. C it allows the instantaneous difference between individual three phase legs to be displayed on the ammeter
4. D it allows the instantaneous difference between the average of the three phase legs of both alternators to be compared

Tip: press A-D to answer