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A 1.5 m length of wire has a cross-sectional area of 5.0×10−8 m2. When the potential difference...

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Physics

A1.5 m length of wire has a cross-sectional area of 5.0×10−8 m2.When the potential difference across its ends is 0.20 V, it carriesa current of 0.40 A. What is the resistivity of the material fromwhich the wire is made?

Answer & Explanation Solved by verified expert
3.7 Ratings (633 Votes)
Given that L 15 mA 5 10 8m 2V 020 VI 040 ABy ohms lawI VR 1I current flowing through    See Answer
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