A single-phase line consists of two long solid conductors, each having a radius of r metre separated by a distance of D metre. What will be the capacitance between the line
A
0.0121×log(Dr)μF/km
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B
0.121log(Dr)μF/km
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C
0.121log(rD)μF/km
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D
0.0121log(Dr)μF/km
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Solution
The correct option is D0.0121log(Dr)μF/km CAB=0.0121log(Dr)μF/km