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# series and parallel circuits difference

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Series and parallel circuits are two basic configurations used to connect electrical components in a circuit. They have distinct characteristics and behaviors. Let’s explore the main differences between series and parallel circuits:

Series Circuit:

1. Single Path: In a series circuit, all the components (resistors, bulbs, etc.) are connected end-to-end along a single path. There is only one pathway for current to flow.
2. Current: The same current flows through all the components in a series circuit. The current remains constant throughout the circuit.
3. Voltage: The total voltage across the circuit is divided among the components. The sum of the individual voltages across each component is equal to the total voltage applied to the circuit.
4. Resistance: The total resistance in a series circuit is the sum of the individual resistances. Adding more components increases the total resistance and reduces the overall current.
5. Brightness (for bulbs): In a series circuit, if bulbs are used, adding more bulbs will cause all the bulbs to become dimmer since the same current flows through all of them.
6. Reliability: If one component in a series circuit fails (e.g., a bulb burns out), the entire circuit is interrupted, and all components stop functioning.

Parallel Circuit:

1. Multiple Paths: In a parallel circuit, the components are connected across multiple paths, and each component is connected directly to the power source.
2. Current: The total current entering a parallel circuit is divided among the branches. Different branches may have different currents.
3. Voltage: All components in a parallel circuit have the same voltage across them. The voltage across each component is equal to the total voltage applied to the circuit.
4. Resistance: The reciprocal of the total resistance in a parallel circuit is the sum of the reciprocals of the individual resistances. Adding more components decreases the total resistance and increases the overall current.
5. Brightness (for bulbs): In a parallel circuit, each bulb receives the same voltage as the power source, so adding more bulbs does not affect the brightness of other bulbs.
6. Reliability: If one component in a parallel circuit fails, the other components can still function, as each branch is independent. The failure of one branch does not interrupt the entire circuit.

In summary, series circuits have a single path for current flow, the same current through all components, and a cumulative voltage drop. Parallel circuits have multiple paths for current flow, the same voltage across all components, and a cumulative reduction in resistance. The choice between series and parallel connections depends on the desired outcome and the specific requirements of the circuit.

Image Credit : IG Electricalworlds