When a potential difference of 12 V is applied to a wire 6.6 m long and 0.32 mm in diameter the result is an electric current of 2.1 A .
What is the resistivity of the wire?
When a potential difference of 12 V is applied to a wire 6.6 m long and...
When a potential difference of 12 V is applied to a wire 6.6 m long and 0.33 mm in diameter the result is an electric current of 2.0 A . 1. What is the resistivity of the wire?
A 5.0 V potential difference is applied between the ends of a 0.80-mm-diameter, 85-cm-long nichrome wire. What is the current in the wire? resistivity of nichrome is 1.5*10^-6 (I think, if im wrong use something else)
When 147 V is applied across a wire that is 8.8 m long and has a 0.27 mm radius, the magnitude of the current density is 2.1 times 10^4 A/m^2. Find the resistivity of the wire. Number Units the tolerance is +/-2%
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 8.0 V potential difference is applied between the ends of a 0.80-mm-diameter, 90-cm-long nichrome wire. What is the current in the wire?
A 2.0 V potential difference is applied between the ends of a 0.80-mm-diameter, 80-cm-long nichrome wire. Part A What is the current in the wire? Express your answer using two significant figures.
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.
8c26p58) A potential difference of 4.20 V will be applied to a 35.00 m length of 18-gauge silver wire (diameter = 0.0400inches). Calculate the current. Calculate the current density. Calculate the electric field. Calculate the rate at which thermal energy will appear in the wire.
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...
A potential difference of 2.00 V will be applied to a 39.00 m length of 18-gauge aluminum wire (diameter = 0.0400inches). Calculate the current. Calculate the current density. Calculate the electric field. Calculate the rate at which thermal energy will appear in the wire.