An ideal parallel-plate capacitor consists of a set of two parallel plates of area A separated by a very small distance d. When the capacitor plates carry charges +Q and -Q, the capacitor stores energy U0
If the separation between the plates is doubled, how much electrical energy is stored in the capacitor? A) 4U0
B) 2U0
C) U0
D) U0/2
E) U0/4
B
Physics & Space Science
You might also like to view...
A 10.0 kg ball weighs 98.0 N in air and weighs 65.0 N when submerged in water. The volume of the ball is
A. 0.00337 
B. 0.00457
C. 0.00766
D. 0.00980
E. 0.00245
Physics & Space Science
In the context of stellar astronomy, briefly describe dark matter
What will be an ideal response?
Physics & Space Science
The density of the universe is large enough that gravity alone will eventually halt its expansion
Indicate whether the statement is true or false
Physics & Space Science
How much heat is required to increase the temperature of 1.70 moles of an ideal monatomic gas by 23.0 K at constant pressure? (R = 8.31 J/mol ? K)
A) 812 J B) 346 J C) 751 J D) 391 J E) 290 J
Physics & Space Science