D. Series
C. Open circuit
A Closed
B. Open
C. Parallel
17. Which of these circuits produce light for buib?
A. Closed circuit
D. Shor
B. Binary circuit
18. A kind of circuit consisting of more than one pathway for electricity.
A Closed
B.Open
C. Parallel D. Series
19. Materials that do not allow heat and electricity to flow through them.
B. Conductors C. Connectors
D. Insula
A. Capacitors​