William Gilbert Discovered Many Important Properties of Magnets

question 50

Multiple Choice

William Gilbert discovered many important properties of magnets. Which of the following was not among Gilbert's findings?

• A) Every magnet has at least two poles.
• B) If magnetic poles are alike, they repel each other.
• C) Steel rods can be magnetized by stroking them with a lodestone.
• D) Electric currents can be produced by changing magnetic fields.
• E) Iron's magnetism can be destroyed by heating.

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