A copper wire of radius a = 0.172 mm has an aluminum jacket of outer radius b = 0.231 mm. There is a current i = 1.58A in the composite wire. Take the resistivity for copper and aluminum to be 1.69 x 10Q-m and 2.75 x 10 8Q-m. Calculate the current in (a) the copper and (b) the aluminum. (c) If a potential difference V = 10.4 V between the ends maintains the current, what is the length in meters of the composite wire?
A copper wire of radius a = 0.172 mm has an aluminum jacket of outer radius b = 0.231 mm. There is a current i = 1.58A in the composite wire. Take the resistivity for copper and aluminum to be 1.69 x 10Q-m and 2.75 x 10 8Q-m. Calculate the current in (a) the copper and (b) the aluminum. (c) If a potential difference V = 10.4 V between the ends maintains the current, what is the length in meters of the composite wire?
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How can I do part B and C please
Transcribed Image Text:A copper wire of radius a = 0.172 mm has an aluminum jacket of outer radius b = 0.231 mm. There is a current i = 1.58A in the
composite wire. Take the resistivity for copper and aluminum to be 1.69 × 10-Q-m and 2.75 × 10*°Q-m. Calculate the current in (a) the
copper and (b) the aluminum. (c) If a potential difference V = 10.4 V between the ends maintains the current, what is the length in
meters of the composite wire?
(a) Number
i
Units
(b) Number
i
Units
(c) Number
i
Units
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