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Current and circuits
Lower Sec Science · Secondary 2 · Medium · Current and circuits
A student connects a bulb, a switch and a 6 V battery in a simple circuit. When the switch is closed, the bulb lights up. Which statement correctly explains why the bulb lights up?
- A closed circuit allows electric current to flow through the bulb.
- The switch supplies extra voltage directly to the bulb.
- The bulb stores charge and releases it as light.
- The open circuit forces more current through the bulb.
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