A bolt of lightning (zigzag line) laid on its side represents a ___________ - ____________ coil.
The beginning and ending ____________ indicate the wire terminals.
This symbol is used for ____________ brakes and solenoid piping ____________.
A) valves; current-actuated; circles; electric;
B) circles; current-actuated; electric; valves
C) electric; valves; current-actuated; circles
D) current-actuated; circles; electric; valves
Share your understanding of this question with the correct explanation.