The Reason the North Pole of a Bar Magnet Free

question 40

Multiple Choice

The reason the north pole of a bar magnet free to rotate points north is because

• A) the south geographic pole of the earth is the earth's magnetic north pole.
• B) the south geographic pole of the earth is the earth's magnetic south pole.
• C) there is a net accumulation of negative magnetic charge at the earth's south geographic pole.
• D) there is a net accumulation of positive magnetic charge at the earth's north geographic pole.
• E) the north geographic pole of the earth is the earth's magnetic north pole.

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Definitions:

Atomic Symbol

A one or two-letter notation representing a chemical element (e.g., O for oxygen, H for hydrogen).

Iron

Iron is a chemical element with the symbol Fe and atomic number 26; it is a metal in the first transition series and is by mass the most common element on Earth, forming much of Earth's outer and inner core.

Atomic Symbol

An abbreviation used to represent an element, based on its name in English or its Latin roots.

Strontium

A soft, silver-yellow, alkaline-earth metal with the symbol "Sr" and atomic number 38, used in fireworks and flares for its bright red coloration.