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

A parallel plate condenser with plate separation ‘d’ and plate area A is connected to a battery and charged to a potential V. Then the battery is disconnected and with insultated handles the plate separation is increased to 2d. Work done in the process will be?

A
ϵ0A4dV2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
ϵ0AdV2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
ϵ0A2dV2
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
2ϵ0AdV2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is C ϵ0A2dV2
U1=12Q2c (1)
U2=12Q2c1=12Q2c2=Q2c (2)
W=U2U1,=12Q2c[21]
=12C2V2c=12CV2=12ϵ0AdV2

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