4
QuizMultiple Choice

Electric Circuits

Question 4 • Crowley Credit Recovery Physics B

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?

Answer
A
It will decrease the resistance of the circuit.
B
It will increase the voltage of the outlet.
C
It will increase the resistance in the circuit.
D
It will decrease the voltage of the outlet.

Explanation

A long extension cord adds more wire to the circuit, and the wire has some electrical resistance. More wire therefore increases the circuit’s total resistance. It does not increase or decrease the outlet’s voltage.

AI-written and checked against the verified answer.

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