Answered

In a series circuit with three bulbs,

Athere are many paths for the current to take.
Bthe remaining two bulbs are not affected if one bulb burns out.
Call of the bulbs become dimmer as more bulbs are added.
Da switch is never used.

Verified Answer :

AL2006


In a series circuit, there is only one path for current to take. 
If more bulbs are added, then the same current loses more energy,
making heat and light on its way through more bulbs, so the ones that
were there before become dimmer.

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