Electrical Cables The advantage of cables over overhead transmission lines is Easy maintenance Can be used in congested areas Low cost Can be used in high voltage circuits Easy maintenance Can be used in congested areas Low cost Can be used in high voltage circuits ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The current carrying capacity of cables in D.C. is more than that in A.C. mainly due to Smaller dielectric loss None of the listed here Absence of harmonics Nonexistence of any stability limit Smaller dielectric loss None of the listed here Absence of harmonics Nonexistence of any stability limit ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables In cables the charging current Leads the voltage by 90° Leads the voltage by 180° Lags the voltage by 180° Lags the voltage by 90° Leads the voltage by 90° Leads the voltage by 180° Lags the voltage by 180° Lags the voltage by 90° ANSWER DOWNLOAD EXAMIANS APP
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 Four times One half Double None of the listed here Four times One half 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 The relative permittivity of rubber is 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 Between 5 and 7 None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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