Q87
The resistance of a copper wire 200 m long is 21 . If its thickness (diameter) is 0.44 mm, its specific resistance is around
The resistance of a copper wire 200 m long is 21 If its thickness (diameter) is 0.44 mm, its specific resistance is around
A.
1.2 x 10-8 -m
B.
1.4 x 10-8 -m
C.
1.6 x 10-8 -m
AnswerD.
1.8 x 10-8 -m
Answer: Option C
Solution
Answer: Option C
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