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A 14-gauge copper wire has a diameter of 1.612 mm. What magnitude current flows in amperes when the drift velocity is 1.30 mm/s? (The density of free electrons in copper is 8.34 ✕ 1028 e−/m3.).)
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- Calculate the drift velocity (in m/s) of electrons in a 6 gauge copper wire (which has a diameter of 4.115 mm) carrying a 22.9 A current, given that there is one free electron per copper atom. The density of copper is 8.80 x 103 kg/m³. (Indicate the direction with the sign of your answer.) m/sThe current-density magnitude in a certain circular wire is J = (2.75×10¹0 A/m¹)², where r is the radial distance out to the wire's radius of 3.00 mm. The potential applied to the wire (end to end) is 120.0 V. How much energy is converted to thermal energy in 2.00 h?A 14-gauge copper wire has a diameter of 1.508 mm. What magnitude current flows in amperes when the drift velocity is 1.10 mm/s? (The density of free electrons in copper is 8.34 ✕ 1028 e−/m3.).)
- Calculate the drift velocity of electrons inside an aluminum wire that has a diameter of 2.053 mm (12-gauge) carrying a 20.0-A current. Assume one free electron per Al atom. The density and mass of Al is 2.70 x 10^3 kg/m^3 and 26.98 g/mol, respectively. (1 mol = 6.02 x 10^(23) atoms, charge of each carrier = 1.60 x 10^(-19) C).The density of free electrons in a cylindrical metal wire is 7x10-8 m. The diameter d= 12.23 mm and carrying a current of I- 6.93 A. the drift velocity (in jum/s) of the electrons in the wire must be (charge of electron =1.6x10"19 C)A current of 82.8 mA exists in a metal wire. (a) How many electrons flow past a given cross section of the wire in 11.0 min? electrons (b) In what direction do the electrons travel with respect to the current? same direction The magnitude is zero. opposite direction