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Current and circuits
Lower Sec Science · Secondary 2 · Easy · Current and circuits
In a simple circuit, a battery, a switch and a bulb are connected in series. When will the bulb light up?
- When the switch is closed, forming a complete circuit.
- When the switch is open, so no current can flow.
- When the battery is disconnected from the circuit.
- When the wires are not connected to the bulb properly.
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