When two lamps are connected in parallel to a battery, the electrical resistance that the battery senses is
A) more than the resistance of either lamp.
B) less than the resistance of either lamp.
C) neither A nor B
B
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If you plug a 110-V electric toaster into a 220-V outlet, current in the toaster will be about
A. more than twice what it should be. B. half what is should be. C. the same as if it were plugged into a 110-V outlet. D. twice what it should be.
Rocks are aggregates of one or more minerals.
a. true b. false
Pollutants emitted directly from identifiable sources are termed primary pollutants
Indicate whether the statement is true or false
The use of stereo pairs is important in creating maps because they
A. reveal the three-dimensional features of a landscape. B. remove the distortions introduced by the map projection. C. allow the scale to become smaller. D. penetrate through the clouds that may have been present on the day when the aerial photograph was taken.