A student is building a model of a parallel circuit consisting of a battery, a switch, live light bulbs
and wires. When she connects all of the components of her model, none of the bulbs light up
2
One of the bulbs is burtout
One or more of the wires is not
connected to the battery
3
4
The switch isn't properly closed
The resistance of the light bulbs
prevents current from flowing
through the circuit
Which of the following could be the problem with her model?
A 2, 3, and 4
B. 1, 3, and 4
C. 1 and 4 only
D. 2 and 3 only