Question

A load taking 200 A is supplied by copper and aluminium cables connected in parallel. The total length of
conductor in each cable is 200 m, and each conductor has a cross-sectional area of 40 mm2
. Calculate:
a. the voltage drop in the combined cables.
b. the current carried by each cable.
c. the power wasted in each cable.
Take the resistivity of copper and aluminium as 0.018 µΩm and 0.028 µΩm respectively.

Answer 1

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Answer 2

don't give direct answer

Answer 3

Huh

Answer 4

a

Answer 5

a

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a

Answer 7

a

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a

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a

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a

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a

Answer 12

aa

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a

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a

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a

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a

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a

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a

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a

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a

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a

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a

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a

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a

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a

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a

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a

Answer 28

a