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B. Direction: Write TRUE if the statement is correct and FALSE if it is not.
1. Closed circuit light up the bulb because it allows current to flow from the sourc or battery to the bulb through the connecting wire.
2. A wire is a device that uses electrical energy.
3. The switch opens and closes the circuit.
4. Open circuit does not light up the bulb because the connection is cut and current cannot flow.
5. A complete circuit is composed of the source, wire, switch and a light bulb.