How does adding another resistor of any value in series to a circuit affect the

Question

How does adding another resistor of any value in series to a circuit affect the total current in the circuit? How does adding another resistor of any value in parallel to a circuit affect the total current in the circuit? Are household appliances connected to the power supply to the house in series or parallel? Justify your answer. A use is a device designed to melt when it carries a certain amount of current. It is connected so as to prevent the electrical wires in the house from overheating. Is it connected in series or parallel? Explain your answer.

Explanation / Answer

5. If we add another resistance to the circuit in series, the effective resistance increases and current decreases.

6. If we add another resistance to the circuit in parallel, the effective resistance decreases and current increases.

7. Household appliances are connected in parallel because to provide same potential difference to all the appliances. In this connection if one appliance is damaged it will not affect the other.

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