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 Which of the following protects a cable against mechanical injury? Armouring Sheath None of the listed here Bedding Armouring Sheath None of the listed here Bedding ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables If the length of a cable is doubled, its capacitance Becomes one-half None of the listed here Becomes double Becomes one-fourth Becomes one-half None of the listed here Becomes double Becomes one-fourth ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The breakdown voltage of a cable depends on Time of application of the voltage Presence of moisture All of the listed here Working temperature Time of application of the voltage Presence of moisture All of the listed here Working temperature ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables In the cables, sheaths are used to Provide proper insulation Prevent the moisture from entering the cable None of the listed here Provide enough strength Provide proper insulation Prevent the moisture from entering the cable None of the listed here Provide enough strength ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables If a power cable and a communication cable are to run parallel the minimum distance between the two, to avoid interference, should be 20 cm 100 cm 30 cm 50 cm 20 cm 100 cm 30 cm 50 cm ANSWER DOWNLOAD EXAMIANS APP