Copper has 8.5 ×10^28 free electrons per cubic meter. A 71.0-cm length of 12-gauge copper wire that is 2.05 mm in diameter carries 4.85 A of current. (a) How much time does it take for an electron to travel the length of the wire? (b) Repeat part (a) for 6-gauge copper wire (diameter 4.12 mm) of the same length that carries the same current. (c) Generally speaking, how does changing the diameter of a wire that carries a given amount of current affect the drift velocity of the electrons in the wi
Copper has 8.5 ×10^28 free electrons per cubic meter. A 71.0-cm length of 12-gauge copper wire that is 2.05 mm in diameter carries 4.85 A of current. (a) How much time does it
Copper has 8.5 ×10^28 free electrons per cubic meter. A 71.0-cm length of 12-gauge copper wire that is 2.05 mm in diameter carries 4.85 A of current. (a) How much time does it take for an electron to travel the length of the wire? (b) Repeat part (a) for 6-gauge copper wire (diameter 4.12 mm) of the same length that carries the same current ...
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Residential building codes typically require the use of 12 -gauge copper wire (diameter 0.2053 cm ) for wiring receptacles. Such circuits carry currents as large as 20 A . If a wire of smaller diameter (with a higher gauge number) carried that much current, the wire could rise to a high temperature and cause a fire. (a) Calculate the rate at which internal energy is produced in 1.00 m of 12 -gauge copper wire carrying 20.0 A . (b) What If? Repeat the calculation for an aluminum wire. Explain whe
Residential building codes typically require the use of 12 -gauge copper wire (diameter 0.2053 cm ) for wiring receptacles. Such circuits carry currents as large as 20 A . If a wire of smaller diameter (with a higher gauge number) carried that much current, the wire could rise to a high temperature and cause a fire. (a) Calculate the rate at which internal energy is produced in 1.00 m of 12 -gauge copper wire carrying 20.0 A . (b) What If? Repeat the calculation for an aluminum wire. Explain whe
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SOLVED:What gauge of aluminum wire will have the same resistance per unit length as 12 -gauge copper wire?
SOLVED:What gauge of aluminum wire will have the same resistance per unit length as 12 -gauge copper wire?
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