an explorer walks into a lab in a science building.She has a compass in her hand

Question

an explorer walks into a lab in a science building.She has a compass in her hand an explorer walks into a lab in a science building.She has a compass in her hand an explorer walks into a lab in a science building.She has a compass in her hand An explorer walks into a lab in a science building. She has a compass in her hand and finds that the south pole of her compass points toward the room's East wall when she is nearer that wall and toward the west wall when she is nearer that wall. You could explain this if magnetized metal had been installed in the East and West walls with North poles pointing into the room. If no magnetic material was installed in the North or South walls of the room, she would expect that a. the south pole of the compass would tend to point toward those walls. b. the north pole of the compass would tend to point toward those walls. c. the compass needle would not point in any particular direction. d. the north pole of the compass needle would tend to point toward the centers of those walls, but the south pole would tend to point toward the sides of those walls. the south pole of the compass needle would tend to point toward the centers of those walls, but the north pole would tend to point toward the sides of those walls. e. PTS: 2 DIF: Average ANS: B

Explanation / Answer

The reason for this is that the south geographic pole of the earth is the earth's magnetic north pole. If the walls are not magnetized then the north pole of compass will tend to point towards the wall due to its tendency to align with earth's magnetic field.

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