What is the potential difference across a 17.0 m long, 2.00 mm diameter copper wire carrying an 7.30 A current?
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- 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 copper transmission cable 100 km long and 10.0 cm in diametercarries a current of 125 A. What is the potential drop across the cable?Taking R = 1.20 kΩ and ℰ = 470 V in the figure shown below, determine the magnitude and direction of the current in the horizontal wire between a and e. magnitude ?mA
- An aluminum wire having a cross-sectional area equal to 5.30 × 10-6 m² ² 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/sAsapA copper transmission cable 100 km long and 10.0 cm in diameter carries a current of 125 A. (a) What is the potential drop across the cable? (b) How much electrical energy is dissipated as thermal energy every hour?
- The charge passing through a section of wire is given by Q=t5 + 4t³ - 6t + 1. What is the current through the wire? Ot+¹-31²+t O 5t4 + 12t2 - 5 Oto +14-3² +1 O 5t4 + 12t26 O 5t4 + 12t² - 3t² + tAn aluminum wire having a cross-sectional area equal to 2.10 10-6 m2 carries a current of 6.00 A. The density of aluminum is 2.70 g/cm3. Assume each aluminum atom supplies one conduction electron per atom. Find the drift speed (in mm/s) of the electrons in the wire.Problem 1. A 50.0 m long Aluminum wire has a diameter of 0.50 mm and is at 20.0°C. If it carries a current of 0.50 mA, (a) calculate the power delivered to it? (b) If the temperature is increased to 340°C and the potential difference across the wire remains constant, what is the power delivered?