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 Double None of the listed here One half Four times Double None of the listed here One half Four times ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The surge resistance of cable is 100 ohms 500 ohms 50 ohms 5 ohms 100 ohms 500 ohms 50 ohms 5 ohms ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables In a cable, the maximum stress under operating conditions is at Conductor surface Insulation layer Armour Sheath Conductor surface Insulation layer Armour Sheath ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Cables for 220 kV lines are invariably Compressed oil or compressed gas insulated Paper insulated Rubber insulated Mica insulated Compressed oil or compressed gas insulated Paper insulated Rubber insulated Mica insulated ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables High tension cables are generally used up to 66 kV 33 kV 11 kV 132 kV 66 kV 33 kV 11 kV 132 kV ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Dielectric strength of rubber is around 15 kV/mm 25 kV/mm 5 kV/mm 30 kV/mm 15 kV/mm 25 kV/mm 5 kV/mm 30 kV/mm ANSWER DOWNLOAD EXAMIANS APP