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
Correct Answer:
Verified
Q3: A charged capacitor stores energy U.Without connecting
Q4: Two thin-walled concentric conducting spheres of radii
Q5: An ideal air-filled parallel-plate capacitor has round
Q6: The charge on the square plates of
Q7: The capacitance per unit length of a
Q9: A metal cylinder of radius 2.0 mm
Q10: Two capacitors,C1 and C2,are connected in series
Q11: In the circuit shown in the figure,the
Q12: When two or more capacitors are connected
Q13: Equal but opposite charges Q are placed
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents