Chapter 19, Problem 12MCP

Three identical light bulbs. A, B, and C, are connected in the circuit shown in Figure 19.47. When the switch closed.

Figure 19.47

Multiple-Choice Problem 12.

1. A.    the brightness of A and B remains the same as it was. but C goes out.
2. B.     the brightness of A and B remains the same as it was. but C will be about half as bright as it was.
3. C.     the brightness of A and B decreases, and C goes out.
4. D.    the brightness of A and B increases, and C will be about half as bright as it was.
5. E.     the brightness of A and B increases, but C goes out.