Three identical resistors are connected in parallel to a 12. V battery. What is the voltage of any one of the resistors?
A) 36. V
B) 18. V
C) 12. V
D) 4. V
E) 3. V
C
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The resolving power of a microscope refers to the ability to
A) distinguish objects of different colors. B) form clear images of two points that are very close together. C) form a very large image. D) form a very bright image. E) form a very microscopic image.
An element has metallic bonding when the valence electron shell is ______________than half filled.
Fill in the blank(s) with the appropriate word(s).
A cup that is 6.0 cm tall is in front of a concave lens. The image of the cup is 2.5 cm tall and 7.5 cm from the lens. What is the focal length of the lens?
A) -6.0 cm B) -7.5 cm C) -13 cm D) +18 cm E) +6.0 cm
Which of the following is a unit of power?
a. kilowatt-hour b. newton c. joules per second d. foot-pound e. none of these