When a conductor carries more current on the surface as compared to core, it is due to___________?

Related Mcqs:

Which of the following bus-bar schemes has the lowest cost?

A. Ring bus-bar scheme B. Single bus-bar scheme C. Breaker and a half scheme D. Main and transfer scheme...

When the interconnector between two stations has large reactance?

A. the transfer of power will take place with voltage fluctuation and noise B. the transfer of power will take place with least loss C. the stations will fall out of step be¬cause of large angular displacement between the stations D. none of the above...

The wooden poles well impregnated with creosite oil or any preservative compound have life_____________?

A. from 2 to 5 years B. 10 to 15 years C. 25 to 30 years D. 60 to 70 years...

The square root of the ratio of line impedance and shunt admittance is called the___________?

A. surge impedance of the line B. conductance of the line C. regulation of the line D. none of the above...

The material commonly used for insulation in high voltage cables is_______________?

A. lead B. paper C. rubber D. none of the above...