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A 6.10 m length of 2.4 mm -diameter wire carries a 770 mA current when 22.0...

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Physics

A 6.10 m length of 2.4 mm -diameter wire carries a 770 mAcurrent when 22.0 mV is applied to its ends. The drift velocity is2.0×10−5 m/s .

A. Determine the resistance R of the wire.

Express your answer to three significant figures and include theappropriate units.

B. Determine the resistivity ρ.

Express your answer to two significant figures and include theappropriate units.

C.Determine the current density j.

Express your answer to two significant figures and include theappropriate units.

D. Determine the electric field inside the wire.

Express your answer to two significant figures and include theappropriate units

E. Determine the number n of free electrons per unit volume.

Express your answer using two significant figures.

Answer & Explanation Solved by verified expert
3.8 Ratings (378 Votes)
GivenLength of conductor l 61 mDiameter of cross section of wire 24 mmSo Area of cross section of wire A 314 0012    See Answer
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