Electromagnetism — Unit test Answers
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Oran wants to model the behavior of Earth’s magnetic field when Earth’s magnetic south is near Earth’s geographic north using a ball, a bar magnet, and a compass. He designates the top of the ball as Earth’s geographic north.
A
Model 1B
Model 2C
Model 3D
Model 42
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Badri makes the table below to review the factors that affect the electric force between objects.
A
changing “Direct” to “Indirect”B
changing “Indirect” to “Direct”C
changing “Distance” to “Amount of electric charge”D
changing “Mass” to “Amount of electric charge”3
How are the electric field lines around a positive charge affected when a second positive charge is near it?
A
The field lines combine with the lines around the second positive charge.B
The field lines overlap with the lines from the second positive charge.C
The field lines bend toward the second positive charge.D
The field lines bend away from the second positive charge.4
The diagram shows two charged objects, A and B.
A
A: positiveB: negativeB
A: negativeB: positiveC
A: negativeB: negativeD
A: positiveB: positiveDid you find these answers helpful?
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