A concentric cable has a conductor
diameter of 1 cm and an insulation thickness of 1.5 cm. When the cable is
subjected to a test pressure of 33kV, the maximum field strength will be nearly
41,000V
43,200V
45,400V
47,600V
47,600V
Given data
Conductor diameter (2r = d) = 1 cm
Insulation thickness (t) = 1.5 cm
Test voltage (V) = 33 kV
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