A VarleyBridge is connected to a faulty three-core copper ca…

Question
A VarleyBridge is connected to a faulty three-core copper cable by two identical copper leads of resistance . (a) Show that for the initial reading (connection to earth); 2 = 2 – (b)      By multiplying the rhs brackets and collecting terms, show the effect of the leads is given by: (c) Determine the distance to the fault by modifying the expression in (b) and using (d) Using (e) Determine the distance to a fault on a 200 m, 120 mm copper cable if copper 10 mm test leads of length 10 m are used and .