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A 50.0 m long tungsten wire has a circular cross-section with a radius of 1.20 mm and each end is attached to one terminal of

A 50.0 m long tungsten wire has a circular cross-section with a radius of 1.20 mm and each end is attached to one terminal of a 1.60 V battery. The temperature of the wire is 58.0C. Tungsten has 1.87 x 1028 free electrons per cubic meter. Find:

a) The resistivity of tungsten at this temperature

b) The resistance of this wire at this temperature

c) The current flowing through the wire

d) The power dissipated by the wire

e) The drift speed of the free electrons in the wire

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