Asked by Kate
A certain piece of wire has a resistance of 250 ohms. if the wire is cut in three pieces and the cross sectional area of each piece is halved, what is the resistance of each piece?
Answers
Answered by
bobpursley
area halving will double resistance,cutting it into thirds reduces R.
New R= 2/3 *250
New R= 2/3 *250
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