| | Series Circuit | Parallel Circuit | | --- | --- | --- | | Current | Same throughout | Different through each component | | Voltage | Different across each component | Same across each component | | Resistance | Sum of individual resistances | Less than individual resistances | | Failure of one component | Affects entire circuit | Does not affect other components |
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The electric current splits into two or more branches. Charges can choose which path to take to get back to the energy source.
In a circuit with three bulbs, what happens if the middle bulb burns out? A) The other two bulbs go out completely B) The other two bulbs stay lit C) The remaining bulbs get dimmer D) The battery explodes
If you wire them in series , describe what happens to the overall brightness of the bulbs compared to a single-bulb circuit. series and parallel circuits worksheet grade 8
Examine a circuit diagram. If the electricity must flow through every component in a single loop to return to the battery, it is a Series Circuit . If the wire splits into "rungs" like a ladder, it is a Parallel Circuit 2. Predicting Brightness Scenario A: You have a battery and one bulb. You add a second bulb in Both bulbs get
The materials, usually copper wires, that provide a path for the electric current to flow.
The pathways, usually copper wires, that allow electrons to travel.
— The 12V supply is divided equally among the 3 identical loads ( | | Series Circuit | Parallel Circuit |
Because there is only one path, if one lightbulb burns out or a wire is disconnected, the entire circuit opens. Current stops flowing, and all other lights turn off.
Adding more resistors in series increases the total resistance of the circuit because the current has to push through more obstacles along its single path.
Why do bulbs in a parallel circuit stay bright even when you add more of them?
Counterintuitively, adding more branches to a parallel circuit decreases the overall resistance of the circuit. This happens because you are opening up new pathways for the current to flow, similar to adding more lanes to a crowded highway. Real-World Example & Advantage In a circuit with three bulbs, what happens
In a parallel circuit, the voltage across each branch is different from the battery voltage.
This worksheet is designed for 8th grade students. It progresses from basic identification to application questions. You can copy this section for your class.
In a parallel circuit, if one bulb burns out, all other bulbs will also turn off .
Circuit X: Current leaves a battery, flows through Switch A, goes through Resistor 1, then Resistor 2, then returns to the battery. ________________