At –25°C a 25 m metal wire with a diameter of 1.0 mm has a resistance...
At –25°C a 25 m metal wire with a diameter of 1.0 mm has a resistance of 0.55 W. If the temperature coefficient of resistivity of the metal is 0.0018/C°, what is its resistivity at 32°C?
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At –25°C a 25 m metal wire with a diameter of 1.0 mm has a
resistance...
Calculate the ratio of the resistance of 11.0 m of aluminum wire 2.5 mm in diameter,...
Calculate the ratio of the resistance of 11.0 m of aluminum wire 2.5 mm in diameter, to 23.0 m of copper wire 1.9 mm in diameter. The resistivity of copper is 1.68×10−8Ω⋅m and the resistivity of aluminum is 2.65×10−8Ω⋅m. --------------------- A length of aluminum wire is connected to a precision 10.00-Vpower supply, and a current of 0.4132 A is precisely measured at 23.5 ∘C. The wire is placed in a new environment of unknown temperature where the measured current is...
Find the resistance of a 12 meter length of metal wire of 0.5 mm diameter. The...
Find the resistance of a 12 meter length of metal wire of 0.5 mm diameter. The resistivity of metal is 2.8×10-6 Ω·cm at a temperature of 20°C. Express the answer with two decimal places.
A conducting wire has a 1.97 mm diameter, a 1.0 m length, and a 60 mohm...
A conducting wire has a 1.97 mm diameter, a 1.0 m length, and a 60 mohm resistance. What is the resistivity of the material? Please explain how the answer is 1.8288*10^-7 ohm m
A wire 3.66 m long and 6.77 mm in diameter has a resistance of 21.7 m?....
A wire 3.66 m long and 6.77 mm in diameter has a resistance of
21.7 m?. A potential difference of 17.5 V is applied between the
ends. (a) What is the current in amperes in the wire?
(b) What is the magnitude of the current density? (c)
Calculate the resistivity of the material of which the wire is
made.
(a)
Number
Units
(b)
Number
Units
(c)
Number
Units
A wire 3.66 m long and 6.77 mm in diameter has a...
A wire of diameter 0.750 mm and length 45.0 m has a measured resistance of 1.20...
A wire of diameter 0.750 mm and length 45.0 m has a measured resistance of 1.20 Ω. What is the resistivity of the wire?
What is the resistance of a 61.1-m-long aluminum wire that has a diameter of 7.77 mm?...
What is the resistance of a 61.1-m-long aluminum wire that has a diameter of 7.77 mm? The resistivity of aluminum is 2.83x 10-8 Ω . m. resistance:
What length of a certain metal wire of diameter 0.15 mm is needed for the wire...
What length of a certain metal wire of diameter 0.15 mm is needed for the wire to have a resistance of 15 ?? The resistivity of this metal is 1.68
A wire 3.07 m long and 8.24 mm in diameter has a resistance of 17.2 mΩ....
A wire 3.07 m long and 8.24 mm in diameter has a resistance of 17.2 mΩ. A potential difference of 27.7 V is applied between the ends. (a) What is the current in amperes in the wire? (b) What is the magnitude of the current density? (c) Calculate the resistivity of the material of which the wire is made.
15. A spool of aluminum wire 290 m long and with a diameter of 0.440 mm...
15. A spool of aluminum wire 290 m long and with a diameter of 0.440 mm is at 20.0°C. For aluminum, the resistivity is 2.82 ✕ 10−8 Ω · m and the temperature coefficient of resistivity is 3.90 ✕ 10−3 (°C)−1. (a) What is the magnitude of the electric field (in V/m) in the wire if it carries a current of 0.600 A? V/m (b) What is the electric power (in W) delivered to the spool while it carries a...
Calculate the ratio of the resistance of 10.0 m of aluminum wire 2.4 mm in diameter,...
Calculate the ratio of the resistance of 10.0 m of aluminum wire 2.4 mm in diameter, to 28.0 m of copper wire 1.7 mm in diameter. The resistivity of copper is1.68×10−8Ω⋅m and the resistivity of aluminum is 2.65×10−8Ω⋅m.
A wire 3.66 m long and 6.77 mm in diameter has a resistance of
21.7 m?. A potential difference of 17.5 V is applied between the
ends. (a) What is the current in amperes in the wire?
(b) What is the magnitude of the current density? (c)
Calculate the resistivity of the material of which the wire is
made.
(a)
Number
Units
(b)
Number
Units
(c)
Number
Units
A wire 3.66 m long and 6.77 mm in diameter has a...
What is the resistance of a 61.1-m-long aluminum wire that has a diameter of 7.77 mm? The resistivity of aluminum is 2.83x 10-8 Ω . m. resistance:
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