A copper wire has a square cross 2.3 mm on a side. The wireis 4.0 m long and carries a current of 3.6 A. The density of free electronsis 8.5 * 10^28/m3. Find the magnitudes of the current density in the wire

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A: False

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Q: In Figure (a), a uniform 30.9 kg beam is centered over two rollers. Vertical lines across the beam m...

A: Solution:   Given Values,   Mass of beam (M)=30.9 Kg Mass of tamale(m)=9.55 Kg Length(L)=1.12 m

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Q: hi. The question is fully explained in the upload photos.

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A: Given data I=0.72 Aε=12 VR=16Ω

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Q: 1)

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Q: (A) A uniform rod 4 m long slender rod AB of mass 40.775 kg is rigidly connected to the center of a ...

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