AAI ATC Junior Executive 27 Jul 2022 Shift 2 Paper
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Question : 62 of 120
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A copper wire of uniform area of cross-section 3.4 × 10-5 m2 carries a current of 4.0 A. The magnitude of the electric field applied is _______ (Resistivity of copper: 1.7 × 10-8 Ω m).
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