Using a capacitor and two different value resistors, which of the following combinations in an RC circuit would give the greatest time constant?
a. the capacitor in series with both resistors in parallel with each other
b. the capacitor in series with both resistors in series with each other
c. the capacitor in series with the higher value resistor
d. the capacitor in series with the lower value resistor
B
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A) decreases. B) remains constant. C) increases.
Which force binds atoms together to form molecules?
A) gravitational B) nuclear C) electric D) centripetal E) none of the above
In a laboratory experiment, you are given two unknown substances and a laser. One of the substances is a liquid in which you place the laser. The other is a tank made of a transparent solid. You aim the laser downward at the tank bottom – and find that the reflected ray is fully polarized when the angle of incidence is 54o. What is the transmitted angle for the ray transmitted into the tank bottom?
A. 
B. 
C. can’t answer this without knowing the indices of refraction.
D. 
The clearest images of Uranus shown in the text have been obtained using:
A) the Hubble Space Telescope. B) infrared ground- based telescopes at the Keck Observatory. C) the Pioneer Spacecraft. D) the Cassini Spacecraft. E) visible light ground-based telescopes at the European Southern Observatory.