If only 5% of the supplied power to a cable reaches the output terminal, the power loss in the cable, in decibels, is _________. (round off to nearest integer)

Two single-core power cables have total conductor resistances of 0.7 Ω and 0.5 Ω, respectively, and their insulation resistances (between core and sheath) are 600 MΩ and 900 MΩ, respectively. When the two cables are joined in series, the ratio of insulation resistance to conductor resistance is ______

Consider a three-core, three-phase, 50Hz, 11kV cable whose conductors are denoted as R,Y, and B in the figure. The inter-phase capacitance () between each pair of conductors is and the capacitance between each line conductor and the sheath is. The per-phase charging current is

A 110 kV, single core coaxial, XLPE insulated power cable delivering power at 50 Hz, has a capacitance of 125nF/km. If the dielectric loss tangent of XLPE is , the dielectric power loss in this cable in W/km is

A 6.6kV, 50Hz, single core lead-sheathed cable has the following data:                

Conductor diameter: 1.5cm, length: 4km

Internal diameter of the sheath: 3cm

Resistivity of insulation:  

Relative permittivity of insulation: 3.5

Calculate:

(a) The insulation resistance

(b) The capacitance and

(c) The maximum electric stress in the insulation

The insulation resistance of a cable of length 10 km is 1 MΩ. For a length of 100 km of the same cable, the insulation resistance will be

The rated load of an underground cable is always greater than its natural load.  (True=1/False=0)

The mica layer  in a parallel plate capacitor with an effective area of 120 has a damaged section equivalent to a hole of 0.5 mm diameter. Which of the following would be significantly affected by the damage?