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TS EAMCET 4-Aug-2021 Shift 1 Question Paper
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© examsnet.com
Question : 108
Total: 160
A spherical capacitor consists of two concentric spherical conductors. Find the capacitance of the spherical capacitor if the outer radius is 2R and the inner radius is R.
4
π
∈
0
R
8
π
∈
0
R
8
π
∈
0
R
4
π
∈
0
R
Validate
Solution:
Given, outer radius,
b
=
2
R
Inner radius,
a
=
R
As we know that, capacitance of spherical capacitor,
C
=
4
π
ε
0
(
a
b
b
−
a
)
∴
C
=
4
π
ε
0
(
R
⋅
2
R
2
R
−
R
)
=
4
π
ε
0
2
R
2
R
C
=
8
π
ε
0
R
© examsnet.com
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