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Explanation: When more batteries are added in parallel, the total number of electrons would divide themselves equally to the number of bulbs so the brightness of the bulb would remain the same.
For example, if there are two batteries, the battery would supply two times as much electrical energy compared to one battery for the brightness of the bulb to remain the same.

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As the number of bulbs arranged in series increases, the brightness of each bulb decreases.
( I can't seem to be able to add the picture in my earlier post so I typed again to make it easier to see the picture and the explanation together.)

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As the number of bulbs in the circuit increases , the brightness of each bulb still remains the same.

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Circuit Construction Kit_ DC screenshot (8)

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Explanation:Even though more bulbs were added to the circuit,the brightness of the bulbs are still the same.This is so as the amount of electric current that flows through them is the same,

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Explanation:When the bulbs are arranged in parallel,there will still be the same amount of electric current flowing through each bulb.

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Even if the amount of bulbs in parallel increases, the brightness of each bulb still stays the same.

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The increase in no. of batteries will cause the bulbs to light up more more brightly
reason:when there are more batteries added in series there will be stronger electron push or you can say higher volts. So, the bulb will generate more heat at the tungsten filament causing a brighter glow. Therefore,the bulb will light up brighter.

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As the number of batteries in series increases, the brightness of the bulb increases. When there is more batteries, there will be more electrical current flowing through the circuit.

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[ I can't take a screenshot on my computer ]

As the number of batteries in a series increases, the brightness og the bulb increases.
Explanation: There are more batteries. Hence, more electric current can flow through the bulb and circuit . Thus, the bulb's brightness increases when more batteries are added in series in a circuit.

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When more bulbs are added in parallel, there is the same amount of electric current flowing through each bulb, so the brightness of each bulb remains the same.

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Sorry, I can't seem to edit my post. Explanation: When there are more batteries, there is a higher voltage so there will be more electric current flowing from the batteries to the bulb, causing the bulb to be brighter.

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Explanation: When more batteries were added in series, more electric current could flow through the bulb, hence allowing the bulb to light up.

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As the number of bulbs added in a parallel circuit increases, the bulb remains the same brightness.

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As the number of batteries increases, the brightness of the bulb increases. This is because there is

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As the number of bulbs arranged in series increases, the brightness of each bulb decreases

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When the number of bulbs in a parallel circuit increases,the brightness of the bulbs do not change

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As the number of bulbs arranged in parallel increases, the brightness of the bulb remains the same.

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As the number of bulbs arranged in series increases, the brightness of the bulbs in parallel remains the same.:(

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As the number of batteries added in series increases, the brighter the bulb.

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The greater the number of bulbs in parallel, the gre

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As the number of batteries added in a series increases, the brightness of the bulb increases.

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As the number of bulbs added in parallel increases ,the brightness of the bulbs does not change.

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As the number of batteries added in a series circuit increases, the brightness of the bulb also increases. There will be more voltage from more batteries AND MORE ELECTRIC

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As the number of batteries added in series increases, the brightness of the bulb increases.
Since there are more batteries, more electric current can pass through the bulb, causing it to light up brighter.

Sorry i cannot upload all of my pictures.

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As the number of bulbs added in a parallel circuit increases, the brightness of the bulb remains the same. :)

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As the number of batteries added in series increase, the brightness of the bulb increases.

When more batteries were added in series, more electric current passes through the bulb,allowing the bulb to light up

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As the number of bulbs increase (No. of batteries is same), the brightness of the bulbs decreases

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As the number of bulbs arranged in series increases, the brightness of bulb decreases.

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As the number of bulbs in series in increases, the brightness of the bulbs in series decreases

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As the number of bulbs added in series increases, the brightness of bulbs decreases. This is because the number of volts the battery has is equally distributed between the bulbs. Therefore, the brightness of bulb decreases when the number of bulbs increases.

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As the number of bulbs added in series increases, the brightness of bulbs decreases.
If light bulbs are connected in series to a voltage source, the brightness of the individual bulbs diminishes as more and more bulbs are added to the “chain”. The current decreases as the overall resistance increases. ... The current increases as more bulbs are added to the circuit and the overall resistance decreases.
Source: google

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As the number of bulbs added in series increase, the brightness of the bulbs decrease. This is because one battery is sharing with three bulbs so the more bulbs there are, the more bulbs they must share one battery with. The less bulbs there are, the less bulbs they need to one batteryshare with.

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The number of bulbs added in parallel does not affect the brightness of bulbs.
Explanation:
When the number of bulbs arranged in parallel increases,

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(Register number) Name of pupil

Diagram of circuits to show comparison

Explanation of how the changed variable affects the brightness of bulb(s)

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As the number of bulbs arranged in series increases,the brightness of each bulb decreases. / As the number of bulbs arranged in series decreases, the brightness of each bulb increases.