Three resistors, with values of 1.0, 4.0, and 10.0 ?, respectively, are connected in series. What is the overall resistance of this combination?
a. 0.7 ?
b. 5.0 ?
c. 4.0 ?
d. 15 ?
d
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The device that spreads light into its component colors in a spectroscope is a
A) prism. B) diffraction grating. C) either of these D) neither of these
The primary purpose of a particle accelerator is to
A) make small particles go very fast. B) make small particles achieve large accelerations. C) create particles and study their behavior. D) produce energy for commercial use. E) test new ideas about the law of gravity.
The most common form of gas in the disk of the Milky Way galaxy is
A) atomic hydrogen gas. B) molecular hydrogen. C) gas in hot bubbles. D) gas in stellar winds.
If 3 different conservative forces and one non-conservative force act within a system, how many potential energy terms appear in the energy equation that describes the system?
1.0 2.1 3.3 4.4