A parallel plate capacitor with air between the plates has a capacitance of 10μF. The area of the capacitor is divided into two equal halves and filled with two media having dielectric constants K1=2 and K2=4. The capacitance of the system will be:
A
10μF
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
20μF
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
30μF
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
40μF
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is C30μF Capacitor filled with air, 10μF=Aϵ0/d C1=(A/2×ϵ0×κ1)/d=Aϵ0/d=10μF C2=(A/2×ϵ0×κ2)/d=2Aϵ0/d=20μF As they are connected in parallel, Cnet=C1+C2=30μF