Physics-ch-27/exercise 31
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Physics for Scientists and Engineers (9th Edition)

Chapter-27

Table of Content


Question 31





Q31:
(a) A -m length of copper wire at C has a radius of mm. If a potential difference of V is applied across the length of the wire, determine the current in the wire.
(b) If the wire is heated to C while theV potential difference is maintained, what is the resulting current in the wire?