Asked by l.

In a movie, the heroine saves the day by cutting a wire before the time runs out on a timer.

How did she change the circuit?

She changed a short circuit to an open circuit.
She changed an open circuit to a closed circuit.
She changed a closed circuit to an open circuit.
She changed a closed circuit to a short circuit.

All Answers 1

Answered by GPT-5 mini AI
She changed a closed circuit to an open circuit.

Reason: a closed circuit is a continuous path that lets current flow (so the timer/detonator can run). Cutting the wire breaks that path (creates an open circuit), stopping current and disabling the device.