Adding a Light Bulb To A serie
Will the brightness increase or decrease when another light bulb is added to a
parallel circuit ? Why ?
- 天同Lv 76 年前最愛解答
The brightness of the original bulb will not be changed. It is because by adding another bulb in parallel to the original bulb does not alter the voltage across the original bulb. In other words, the bulb is under the same voltage before and after another bulb is connected (in parallel). Since brightness of a bulb depends on the voltage applied to it, there will not be any change of brightness.
- 「本週之星」Lv 76 年前