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 Four times Double None of the listed here One half Four times Double ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The breakdown of insulation of the cable can be avoided economically by the use of Inter-sheaths Insulating materials with different dielectric constants None of the listed here Both Inter-sheaths and Insulating materials with different dielectric constants Inter-sheaths Insulating materials with different dielectric constants None of the listed here Both Inter-sheaths and Insulating materials with different dielectric constants ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables A cable carrying alternating current has Hysteresis, leakage, copper and friction losses Hysteresis and leakage losses only Hysteresis losses only Hysteresis, leakage and copper losses only Hysteresis, leakage, copper and friction losses Hysteresis and leakage losses only Hysteresis losses only Hysteresis, leakage and copper losses only ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Which of the following insulation is used in cables? Paper Rubber All of the listed here Varnished cambric Paper Rubber All of the listed here Varnished cambric ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The surge resistance of cable is 5 ohms 100 ohms 500 ohms 50 ohms 5 ohms 100 ohms 500 ohms 50 ohms ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables If a cable of homogeneous insulation has a maximum stress of 10 kV/mm, then the dielectric strength of insulation should be 30 kV/mm 10 kV/mm 5 kV/mm 15 kV/mm 30 kV/mm 10 kV/mm 5 kV/mm 15 kV/mm ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS