(b) Find the drift speed of the electrons in the wire.
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An aluminum wire carrying a current of 6.60 A has a cross-sectional area of 5.0x10−6 m2. The density of aluminum is 2.7 g/cm3. (Assume three electrons are supplied by each atom.) (b) Find the drift speed of the electrons in the wire.
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- A tungsten wire has a radius of 0.068 mm and is heated from 20.0 to 1326 oC. The temperature coefficient of resistivity is α = 4.5 × 10-3 (Co)-1. When 110 V is applied across the ends of the hot wire, a current of 2.1 A is produced. How long is the wire? Neglect any effects due to thermal expansion of the wire.1) A cylindrical wire of radius 2.0 mm carries a current of 2.5 A. The potential difference between points on the wire that are 46 m apart is 3.7 V. (a) What is the electric field in the wire? (b) What is the resistivity of the material of which the wire is made?A typical lightning bolt may last for 0.197s and transfer 1.19 ✕ 1020 electrons. Calculate the average current (in A) in the lightning bolt.
- An aluminum wire having a cross-sectional area equal to 4.60 x 106 m² carries a current of 3.50 A. The density of aluminum is 2.70 g/cm³. Assume each aluminum atom supplies one conduction electron per atom. Find the drift speed of the electrons in the wire.An aluminum wire having a cross-sectional area equal to 2.90 x 10-6 m² carries a current of 4.50 A. The density of aluminum is 2.70 g/cm³. Assume each aluminum atom supplies one conduction electron per atom. Find the drift speed of the electrons in the wire. mm/s Need Help? Read ItA conductor has a cross-sectional area of 2.3x 10P m and the number of free electrons per unit volume is 8.5x 1028 electron/m³. When the current is 6.1 A, find the drift speed (in mm/s) of the electrons. Use the charge of the electron to be 1.6x1019 C. Select one: OA 0.26 OB. 25.60 OC.0.13 OD. 19.50 OE 0.20