1.

The resistance R of a conductor iswhere:E = Electric field intensityA = Cross- sectional areaJ = Current densityl = Length of conductor

A. \(\frac{{EA}}{{Jl}}\)
B. \(\frac{{EJ}}{{Al}}\)
C. \(\frac{{El}}{{JA}}\)
D. \(\frac{{JA}}{{El}}\)
Answer» D. \(\frac{{JA}}{{El}}\)


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