An advantage of series circuits is they don't heat up easily, meaning any dry or flammable objects placed near the circuit will not catch fire. Another advantage is that the current in all parts of a series circuit remains constant. A disadvantage of series circuits is that if there is a break or fault at any of the appliances connected to the circuit, the remaining appliances will be cut from the supply. Regarding parallel circuits, appliances can be connected and disconnected to the circuit without affecting other parts of it. Another advantage of parallel circuits is that the voltage is constant across all parts of the circuit. A disadvantage of parallel circuits is that they require more wiring. Additionally, the voltage can't be increased in a parallel circuit without decreasing the resistance in the circuit.
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