A charged capacitor stores energy U. Without connecting this capacitor to anything, dielectric having dielectric constant K is now inserted between the plates of the capacitor, completely filling the space between them. How much energy does the capacitor now store?
A) 2KU
B) KU
C) U
D)
E)
Correct Answer:
Verified
Q1: A nonconducting sphere contains positive charge distributed
Q8: An ideal parallel-plate capacitor consists of a
Q10: Two capacitors,C1 and C2,are connected in series
Q17: An ideal air-filled parallel-plate capacitor has round
Q19: The graph in the figure shows the
Q19: An ideal air-filled parallel-plate capacitor has round
Q21: Three capacitors are arranged as shown in
Q23: Three capacitors are connected as shown in
Q24: The capacitive network shown in the figure
Q39: A 1.0-μF and a 2.0-μF capacitor are
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