Which of the following will increase the capacitance of a parallel plate capacitor?
A) a decrease in the plate area and an increase in the plate separation
B) a decrease in the potential difference between the plates
C) an increase in the potential difference between the plates
D) an increase in the plate area and a decrease in the plate separation
E) none of the above
D
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Spherical Mirrors: An object is placed 50 cm in front of a concave mirror with a focal length of 25 cm. What is the magnification produced by the mirror?
A. -0.50 B. -1.0 C. +1.5 D. -2.0 E. +1.0
Which planetary fact(s) is(are) explained by the solar nebula theory?
a. The orbits are all approximately in the same plane b. The orbits are all in the same direction c. Jovian planets are mostly H and He d. Terrestrial planets are mostly rock and iron e. All of the other choices are correct.
Water is vital to life on our planet. Most of Earth's water supply is in the
A) oceans. B) ice caps. C) rivers, lakes, and streams. D) ground.
Areas of low oxygen that occur in the Gulf of Mexico and other estuaries are called
What will be an ideal response?