Question: Electricity from a power plant lights up a light bulb in a house because
Choices:
text: a conductor is unnecessary
label: A
text: there is only one conductor
label: B
text: a conductor inside the house contacts a conductor outside the house
label: C
text: the house is free of conductors
label: D
Answer: C
Fact: if one electrical conductor contacts another electrical conductor then electricity will flow through both conductors