Multiple choice general knowledge science & technology

In a series circuit, the already existing lightbulb dims when another light bulb is added. True or false?

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In a series circuit, adding another bulb increases total resistance, which decreases current through the circuit. Since each bulb's brightness depends on current, the existing bulb dims because it now receives less current with the same source voltage.

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