Electrical Cables 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 None of the listed here One half Double Four times None of the listed here One half Double Four times ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The electrostatic stress in underground cables is Maximum at the conductor and minimum at the sheath Same at the conductor and the sheath Minimum at the conductor and maximum at the sheath Zero at the conductor as well as on the sheath Maximum at the conductor and minimum at the sheath Same at the conductor and the sheath Minimum at the conductor and maximum at the sheath Zero at the conductor as well as on the sheath ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The relative permittivity of rubber is Between 5 and 7 None of the listed here Between 8 and 9 Between 2 and 3 Between 5 and 7 None of the listed here Between 8 and 9 Between 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Cables, generally used beyond 66 kV are Armoured S.L. type Belted Oil filled Armoured S.L. type Belted Oil filled ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The disadvantage with paper as insulating material is It is hygroscopic None of the listed here It has high capacitance It is an organic material It is hygroscopic None of the listed here It has high capacitance It is an organic material ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The breakdown voltage of a cable depends on Time of application of the voltage Working temperature Presence of moisture All of the listed here Time of application of the voltage Working temperature Presence of moisture All of the listed here ANSWER DOWNLOAD EXAMIANS APP