Energy in Capacitors: A 5.0 ?F capacitor has a potential difference of 5.0 V applied across its plates. If the potential difference across its plates is increased to 8.0 V, how much additional energy does the capacitor store?
A. 98 ?J
B. 200 ?J
C. 23 ?J
D. 45 ?J
Answer: A
You might also like to view...
An object is thrown upwards with a speed of 14 m/s. How high above the projection point is it after 0.50 s?
A) 0 m B) 2.9 m C) 5.8 m D) 7.0 m E) 8.2 m
If it is 10:00 A.M. EST in Washington, D.C., what is the time in San Diego, California, the longitude of which is 45° more westerly?
a. 1:00 P.M. PST b. 7:00 A.M. PST c. 10:00 A.M. PST d. 9:00 A.M. PST
Consider a planet orbiting a Sun-like star that has been detected by the Doppler and that has an orbital period of one year. The larger the velocity changes measured for the star, the
A) larger the mass of the planet. B) larger the radius of the planet. C) smaller the mass of the planet. D) smaller the radius of the planet.
In the process of planetary formation, when would the inward migration of Jupiters have most likely occurred?
A) shortly after all of the planets had finished forming B) just after the system was cleared of the remaining gas C) before these planets had grown to full size D) after these planets had reached full size, but before terrestrial planets had finished forming E) at least hundreds of millions of years after planetary formation ended