Advanced Science Primary 5 Systems

In a circuit with one battery and one bulb, adding a second identical battery in series will __________.

A Have no effect on the bulb
B Make the battery last longer
C Make the bulb brighter
D Make the bulb dimmer
Show Worked Solution

Worked Solution

Step 1: Batteries in series increase the total voltage supplied to the circuit. Step [2-9]: Higher voltage causes a larger current to flow through the bulb. Step [2-9]: Larger current results in a brighter bulb.

Correct answer: Make the bulb brighter

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