Standard Science Primary 5 Systems

Adding more batteries in series to a circuit will __________.

A increase the brightness of the bulb
B decrease the brightness of the bulb
C make the bulb last longer
D have no effect on the bulb
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Worked Solution

Step 1: More batteries in series increase the voltage/current flowing. Step 2: This provides more energy to the bulb. Step 3: Resulting in a brighter bulb.

Correct answer: increase the brightness of the bulb

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