Engine: Electricity

1. A The shunt-field coils are wound with many turns of very fine wire.
2. B The shunt-field coils are wound with only a few turns of very fine wire.
3. C The shunt-field coils are wound with only a few turns of very heavy wire.
4. D The shunt-field coils are wound with many turns of very heavy wire.

Tip: press A-D to answer