Multiple Choice
An ideal air-filled parallel-plate capacitor has round plates and carries a fixed amount of equal but opposite charge on its plates.All the geometric parameters of the capacitor (plate diameter and plate separation) are now DOUBLED.If the original energy stored in the capacitor was U0,how much energy does it now store?
A) 4U0
B) 2U0
C) U0
D) U0/2
E) U0/4
Correct Answer:
Verified
Correct Answer:
Verified
Q26: The capacitive network shown in the figure
Q27: Three capacitors,of capacitance 5.00 μF,10.0 μF,and 50.0
Q28: The charge on the square plates of
Q29: A parallel-plate capacitor has a capacitance of
Q30: An ideal air-filled parallel-plate capacitor has round
Q32: When two or more capacitors are connected
Q33: The four identical capacitors in the circuit
Q34: A parallel-plate capacitor with plate separation of
Q35: The network shown in the figure is
Q36: A 1.0 μF capacitor has a potential