Breaking a bar magnet in half will produce
A) one North and one South monopole.
B) a single North magnetic monopole.
C) a single South magnetic monopole.
D) two bar magnets.
D
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Fill in the blank(s) with correct word
Spiral tracers tend to be old, luminous stars
a. True b. False Indicate whether the statement is true or false
What is the effect of grounding an (uninsulated) electrically charged conducting object?
a. The charge increases as the object gains charge from the earth, or ground. b. The charge dissipates into the ground. c. The ground controls the intensity. d. The object no longer acts as a conductor. e. The charge decreases but does not disappear, because the ground can only take some of it.
On a Hertzsprung-Russell diagram, where would you find white dwarfs?
A) upper right B) lower right C) upper left D) lower left