Engine 2014: Electricity

1. A The voltage across the collector ring and any point before the open will be line voltage and the voltage across the collector ring and any point after the open will be zero voltage.
2. B The voltage across the collector ring and any point before the open will be zero voltage and the voltage across the collector ring and any point after the open will be line voltage.
3. C The voltage across the collector ring and any point before or after the open will be line voltage.
4. D The voltage across the collector ring and any point before or after the open will be zero voltage.

Tip: press A-D to answer