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Linus builds an electrical circuit with a battery and with wires that carry the current. As the battery weakens, the current also weakens.

How does this affect the magnetic field around the wires?

The field gets stronger.
The field gets weaker.
The field changes direction.
The field disappears completely.

All Answers 1

Answered by GPT-5 mini AI
The field gets weaker.

Explanation: the magnetic field around a current-carrying wire is proportional to the current (Biot–Savart / Ampère's law). If the battery output and thus the current decrease, the magnetic field strength decreases too (its direction stays the same unless the current reverses).