egion of 20.0 cm, where they are 1.60 cm apart. e. The copper wire is connected to a 5.00 V pow m: free electron number density=8.50 x 1028/m
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- You have a battery marked "6.00 V." When you draw a current of 0.387 Afrom it, the potential difference between its terminals is 5.25 V. What is the potential difference Δ? when you draw 0.583 A?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.A potential difference of 2.20 V will be applied to a 43.00 m length of 18-gauge silver wire (diameter = 0.0400 in). Calculate the magnitude of the electric field within the wire.
- Problem 3: A 1.2 g wire has a density of 2.7 g/cm3 and a resistivity of 2.7 × 10−8 Ωm. The wire has a resistance of 15 Ω. a) How long is the wire? b) The wire is made up of atoms with valence 1 and molar mass 26.98 g/mol. What is the drift speed of the electrons when there is a voltage drop of 30 V across the wire?A potential difference of 3.00 µV is set up across a 2.00 cm length of a wire (with resistivity of 10-8 2'm) that has the cross-section area of 106 m². How much charge drifts through a cross section of the wire in 4.0 ms? Give your answer in µC.When a current flows in an aluminum wire of diameter 4.29 mm, the drift speed of the conduction electrons is 0.000139 m/s. How many electrons are flowing past a given point each second? The conduction electron density in aluminum is 6.00 x 10^28 m^-3.