14. A copper wire of cross sectional area 0.01 mm2
is used to prepare a resistance of 1K22. The
resistivity of copper is 1.7x10-8 m. Calculate the
length of the wire
1) 58.82m
2) 588.2m
3) 0.58m
4) 5.8m
how to conversion ?
Answers
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Answer:
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Answer:
l=pR/a
Explanation:
p=row
l=length of wire
a=are of cross section
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