Current, Resistance, & EMF:17. A copper wire of 3.2 mm in diameter and 4 m length carries a certain amount of current. The conductionelectron density in copper is 8.49x1028 electrons/m³. A 75.0-2 resistor is connected with the copper wireto the terminals of a battery whose emf is 11.0 V and whose internal resistance is 0.8 Q. Calculate (a) thecurrent in the circuit, (b) the current density in the wire, (c) the terminal voltage of the battery, Vab, and (d)the power dissipated in the resistor R, (e) the power dissipated in the battery's internal resistance r, (f) theresistivity of the wire, (g) the drelectrons assuming they behave like an ideal gas at 20°C. Assume that one electron per Cu atom is free tomove (the others remain bound to the atom).velocity of the free electrons, and (h) Estimate the rms speed of

Given: d=3.2×10-3m, L=4m, R=75Ω, E=11V, r=0.8Ω (a) The resistivity of copper is known to be :…

Answered: Current, Resistance, & EMF: 17. A…

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