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Current and circuits
Lower Sec Science · Secondary 2 · Medium · Current and circuits
A student connects two identical lamps in series to a battery. He then adds a variable resistor in series and increases its resistance. What happens to the brightness of the lamps and the current in the circuit?
- Brightness decreases and current decreases.
- Brightness increases and current decreases.
- Brightness decreases and current increases.
- Brightness increases and current increases.
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