Advanced Science Primary 5 Systems

In which circuit will the bulbs be the DIMMEST?

A Two batteries and one bulb in a series
B Two batteries and two bulbs in parallel
C One battery and two bulbs in series
D Two batteries and two bulbs in series
Show Worked Solution

Worked Solution

Step 1: In a series circuit, the voltage is shared between bulbs. Step 2: One battery shared between two bulbs provides the least amount of energy to each bulb. Step 3: This results in the dimmest light.

Correct answer: One battery and two bulbs in series

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