If a bar of copper is brought near a magnet, the copper bar will be pennfoster: a. attracted by the magnet. b. unaffected by the magnet. c. repelled by the magnet. d. made into an induced magnet.

Option B

Explanation: Copper is a non-ferrous material (like aluminuim for example), and the only materials affected by a magnet (or a magnetic field) are the ferrous ones, so the correct answer will be the option B, the copper will be unaffected by the magnet.

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c) up is the direction the magnetic force is acting on the charge.