wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

The figure shows a parallel plate capacitor with charge Q1 and plate area A. Capacitor is filled with two dielectrics k1 and k2 as shown.

A
Ratio of energy density in first dielectric to second dielectric is 53
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
Ratio of energy stored in the two dielectrics is 1 : 1
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
Surface charge at interface of the two dielectrics is 2Q15
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
Surface charge at interface of the two dielectrics is 0.
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is C Surface charge at interface of the two dielectrics is 2Q15


Q1=Q(11k1) and Q2=Q(11k2)
So, Q1Q2=2Q15

Energy density in capacitor is = EnergyVolume=Q22C(Volume)=Q22 ϵoA2k
Hence, Energy 1k
which means that the ratio of energy densities is 53.

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon