Which one of the following statement is TRUE?

• A. Underground cables are laid at sufficient depth to avoid being unearthed easily due to removal of soil.
• B. In the cables, the location of fault is usually found out by comparing the capacitances of insulated conductors.
• C. In the cables, sheaths are used to provide enough strength.
• D. The current carrying capacity of cables in DC is less than that in AC.

Answer: (B)

In the cables, the location of fault is usually found out by comparing the capacitances of insulated conductors.