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If Three 12 volt batteries are connected in parallel what is the effect on the circuit?
Wiki User
∙ 15y ago
There will be no effect on the voltage. That is the effective voltage will be only 12 volt.
But there will be increase of current.
Wiki User
∙ 15y ago
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If a fourth bulb were added in a similar way to the three existing bulbs, the resistance in the circuit would go up if the bulbs were series connected, and it would go down if the bulbs were parallel connected.
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The reason that neither lamp is affected by the operation of the other is that each one can "see" the applied voltage whether the other is on or not. Each is "directly connected" to the source, a lamp's operation is unaffected by the other lamp. Trace the flow of current from the source through a lamp and back to the source. The other lamp is not in that circuit, and it will not have an effect on the lamp being inspected. This is the nature of a parallel circuit. Each branch in a purely parallel circuit is directly connected to the source and operates as it does without any regard whatsoever as to what may or may not be connected in parallel with it.
