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A wire of length L has a rectangular cross-section with height H and width W. The...

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Physics

A wire of length L has a rectangular cross-section with height Hand width W. The wire has a hole all the way through it of area a.The wire is made of material with constant resistivity ρ1 . Abattery with a known voltage is applied across the ends of thewire. a. Find the electric field inside the material and thecurrent flowing through the wire. b. If the hole is totally filledwith a material that has resistivity ρ2 , what will be the electricfield everywhere inside the wire, and what current will flowthrough the wire?

Answer & Explanation Solved by verified expert
4.1 Ratings (474 Votes)
Assuming the voltage applied accross the conductor to be VA Electric field inside a conductor is given byEL V since E Vr where V is the potential differenceand r is    See Answer
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