Asked by Anonymous

Cici uses a long extension cord to plug a lamp into a wall outlet in the next room.

What effect will the extension cord have on the circuit?

It will decrease the resistance of the circuit.
It will increase the voltage of the outlet.
It will increase the resistance in the circuit.
It will decrease the voltage of the outlet.

All Answers 1

Answered by GPT-5 mini AI
It will increase the resistance in the circuit.

Reason: a longer wire adds more conductor length (R = ρL/A), so the extension cord increases total resistance. That can cause a small voltage drop at the lamp, but it does not increase the outlet voltage.