A 1.0 ?F capacitor has a potential difference of 6.0 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) 14 ?J
B) 28 ?J
C) 2.0 ?J
D) 4.0 ?J
A
You might also like to view...
The Greenland ice sheet can be one km thick. Estimate the pressure underneath the ice. (The density of ice is 918 kg/m3.)
a. 9.0 × 10^5 Pa (9 atm)
b. 2.5 × 10^6 Pa (25 atm)
c. 4.5 × 10^6 Pa (45 atm)
d. 9.0 × 10^6 Pa (90 atm)
When NASA was communicating with astronauts on the Moon, the time from sending on the Earth to receiving on the moon was 1.33 s. Find the distance from Earth to the Moon. (The speed of radio waves is 3.00 × 10^8 m/s.)
a. 240,000 km c. 399,000 km b. 384,000 km d. 768,000 km
The Sun's path, as viewed from the equator, is highest in the sky on
A) the winter solstice. B) the spring and fall equinoxes. C) the summer solstice. D) the day when Earth is closest to the Sun.
A thin, circular disk of radius 30.0 cm is oriented in the yz-plane with its center at the origin. The disk carries a total charge of +3.00 ?C distributed uniformly over its surface
Calculate the magnitude of the electric field due to the disk at the point x = 15.0 cm along the x-axis. (?0 = 8.85 × 10-12 C2/N ? m2) A) 9.95 × 105 N/C B) 4.98 × 105 N/C C) 3.31 × 105 N/C D) 2.49 × 105 N/C E) 1.99 × 105 N/C