3
Question
Why does the bulb glow brighter when electric cells are connected in series?
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Solution
The
voltage drop across each resistance is the same as the applied one. Hence most
of the supplied voltage (the electrical energy) reaches the bulb. Hence it
glows brighter. ... In the case of the bulbs in series, the current I will flow
through both bulbs, and the power consumed is I²R for each and 2I²R in total.
The voltage drop across each resistance is the same as the applied one. Hence most of the supplied voltage (the electrical energy) reaches the bulb. Hence it glows brighter. ... In the case of the bulbs in series, the current I will flow through both bulbs, and the power consumed is I²R for each and 2I²R in total.
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