When switches or auxiliary contacts are wired in ____________ each other in adjacent rungs of the ladder diagram that are made common to a single rung, an OR function (gate) is formed:
the switches or auxiliary contacts in the ____________ OR-gate configuration supply a common control line which normally supplies a light or solenoid.
A) parallel; parallel
B) parallel; series
C) series; series
D) series; parallel
Share your understanding of this question with the correct explanation.