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Find the electric field intensity required to produce a current of 0.1 A crossing an area of 1 cm2 normal to the field for the following materials:

(a) copper,

(b) aluminum, and

(c) sea water. Then find the voltage drop along a length of 1 cm parallel to the field, and find the ratio of the voltage drop to the current (resistance) for each material.

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Category:- Physics
Reference No.:- M91729346

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