Question

Based on what you have seen, what must be true for a circuit to light a bulb?

There has to be a lightbulb and conductor (wires).
There has to be an energy source (a battery).
There can't be any gaps in the path.
All of the above.

Answer 1

All of the above

Step-by-step explanation:

A circuit must have wires, a light bulb, a battery and no gaps if u want to light up a bulb.