Line losses in a distribution circuit are kept to a minimum by （）.<br>A:adding rubber insulation conductors to the circuit<br>B:using higher current and lower voltage increasing the<br>C:number of thermal relays in the circuit<br>D:using higher voltage and lower current

Line losses in a distribution circuit are kept to a minimum by （）.
A:adding rubber insulation conductors to the circuit
B:using higher current and lower voltage increasing the
C:number of thermal relays in the circuit
D:using higher voltage and lower current

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