10
lesson pretestMultiple Choice

Pretest

Question 10 • Physics

Val is comparing the gravitational force and the electromagnetic force. Which describes the electromagnetic force only ? Choose three correct answers.

Answer
A
produces light
B
has a very small range
C
is attractive
D
produces electricity
E
has an infinite range
F
is repulsive

Explanation

The electromagnetic force can produce light and electricity, and it can be either attractive or repulsive. Gravity is attractive, so “is attractive” is not unique to the electromagnetic force. Both forces have an infinite range, while “has a very small range” does not describe the electromagnetic force.

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