engineering recuitment HPCL Junior Executive 2025 Mock Test Power Systems Transmission and Distribution Underground Cables
An underground cable of length 100 meters has insulation of relative permittivity 4. If the conductor diameter and inner sheath diameter of the cable is 3 cm and 9.5 cm, respectively, then find the capacitance of the cable.
1
\(\frac{4}{41.4 \log_{10}3.167} \times 10^{-9}F\)
2
\(\frac{200}{41.4 \log_{10}3.167} \times 10^{-9}F\)
3
\(\frac{400}{41.4 \log_{10}3.167} \times 10^{-9}F\)
4
\(\frac{100}{41.4 \log_{10}3.167} \times 10^{-9}F\)