1. How does the resistance of a wire depend upon the wirediameter? 2. How does t
ID: 1672867 • Letter: 1
Question
1. How does the resistance of a wire depend upon the wirediameter? 2. How does the resistance of a wire depend upon the wirelength? 3. Why is it useful to have a resistance measuring procedurethat uses only very small currents? What specific error is avoidedby the use of small currents? 1. How does the resistance of a wire depend upon the wirediameter? 2. How does the resistance of a wire depend upon the wirelength? 3. Why is it useful to have a resistance measuring procedurethat uses only very small currents? What specific error is avoidedby the use of small currents?Explanation / Answer
Resistance of the wire is inversely proportional to its crosssectional area .
We know A = (pi) d ^ 2 / 4
Where d = diameter of the wire
So, resistance of the wire is inversely proportional to squareof its diameter
(b). resistance of the wire is proportional to its length.
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.