A certain cable has an insulation of relative permittivity 4. If the insulation is replaced by one of relative permittivity 2, the capacitance of the cable will become
A. One half
B. Double
C. Four times
D. None of the above
Answer: Option A
This Question Belongs to Electrical Engineering >> Electrical Cables
Related Questions on Electrical Cables
The bedding on a cable consists of
A. Hessian cloth
B. Jute
C. Any of the above
D. None of the above
The insulating material for a cable should have
A. Low cost
B. High dielectric strength
C. High mechanical strength
D. All of the above
Underground cables are laid at sufficient depth
A. To minimize temperature stresses
B. To avoid being unearthed easily due to removal of soil
C. To minimize the effect of shocks and vibrations due to gassing vehicles, etc.
D. For all of the above reasons
Join The Discussion