Answer :
The answer you are looking for is A: Adding more batteries will increase the current
Since you have a circuit in series, that means that all of the bulbs would be connected to one wire. If you were add more batteries to that one wire, you would end up with a greater flow of energy throughout the bulbs/wire
The advantage of series circuits is adding more batteries will increase the current.
The correct option is A.
What is a series circuit?
A series circuit is one in which the entire current travels through all the components.
A parallel circuit has branches that divide the current so that just a portion of it passes through each branch.
Thus, the correct option is A, adding more batteries will increase the current.
Learn more about, the series circuit, here:
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