Question: An l0-km-long underground cable extends east to west and consists of two parallel wires each of which has resistance 13?/km. An electrical short develops at

An l0-km-long underground cable extends east to west and consists of two parallel wires each of which has resistance 13?/km. An electrical short develops at distance x from the west end when a conducting path of resistance R connects the wires (Figure). The resistance of the wires and the short is then 100? when measured from the east end and 200? when measured from the west end. What are?

(a) x and

(b) R?

Conducting path West East

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