Multiple choice

Ruby has connected 2 bulbs across 2 batteries in a circuit. How can she make the bulbs dimmer?

  1. Replace one of the batteries with a section of wire.

  2. Replace one of the batteries with a piece of rubber.

  3. Replace one of the bulbs with a section of wire.

  4. Disconnect the batteries.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Reducing the voltage in a circuit decreases the current flowing through the bulbs, making them dimmer. Removing a battery reduces the total voltage provided to the circuit.

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