#LetsPrepareATC 🏆 Prepare AAI - ATC Exam (2023) with ATC Gurus Mr. Paras Soni & Dr. Abhijit Sen
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Practice Question
A copper wire of uniform area of cross-section \(3.4×10^{-5} m^2\) carries a current of 4.0 A.

The magnitude of the electric field applied is ________ (Resistivity of copper :

\(1.7×8^{-8}\Omega\)m).

Select one correct option:

\(2.0×10^{-3}\frac{V}{m}\) Correct 💪 In-correct 🧐
\(1.6×10^{-2}\frac{V}{m}\) Correct 💪 In-correct 🧐
\(3.4×10^{-3}\frac{V}{m}\) Correct 💪 In-correct 🧐
\(1.0×10^{-3}\frac{V}{m}\) Correct 💪 In-correct 🧐
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