A parallel-plate capacitor is charged and then is disconnected from the battery. By what factor does the stored energy change when the plate separation is then doubled?
1.It becomes four times larger.
2.It becomes two times larger.
3.It stays the same.
4.It becomes one-half as large.
5.It becomes one-fourth as large.
2
You might also like to view...
Radio telescopes image a universe much ________ in temperature than with visible light
Fill in the blank(s) with correct word
Which one of the following reactions is the most similar chemically to combustion?
A) fusion in stars B) vaporization in the atmosphere C) respiration in animals D) fission in nuclear reactors E) photosynthesis in plants
An ideal voltmeter is one that does not change the behavior of a circuit when it is properly used to measure potential difference. The internal resistance of such a meter is
A) dependent on the circuit. B) infinite. C) the same resistance as the circuit. D) 0 ?. E) cannot be determined
The age of the solar system is believed to be approximately 4.6 billion years based on the data from
a. samples of lunar rocks. b. samples of Earth rocks. c. samples of meteorites. d. samples of lunar rocks, Earth rocks, and meteorites. e. None of the other choices are correct.