Space between two concentric conducting spheres of radii a and b (b>a) is filled with a medium of resistivity \rho.The resistance between the two spheres will be: [10 Apr 2019 Shift 2]

Correct Answer is : ρ4π( 1a−1b )

\frac{\\rho}{4 \\pi} ( \frac{1}{a}- \frac{1}{b} )

\frac{\\rho}{2 \\pi} ( \frac{1}{a}- \frac{1}{b} )

\frac{\\rho}{4 \\pi} ( \frac{1}{a}+ \frac{1}{b} )

\frac{\\rho}{2 \\pi} ( \frac{1}{a}+ \frac{1}{b} )

Current Electricity Part 2

Section: Physics

Question : 90 of 100

Marks: +1, -0

Space between two concentric conducting spheres of radii a and b (b>a) is filled with a medium of resistivity ρ.The resistance between the two spheres will be:

[10 Apr 2019 Shift 2]

ρ
4π
(
1
a
−
1
b
)
ρ
2π
(
1
a
−
1
b
)
ρ
4π
(
1
a
+
1
b
)
ρ
2π
(
1
a
+
1
b
)

Validate

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