Question

7. A copper wire has a diameter of 0.6 mm and resistivity
of 1.7 x 10-82 m. a. What will be the length of this
wire to make its resistance 17 Q2? b. How much does
the resistance change if the diameter is doubled?
c. How much does the resistance change if the
diameter is halved?
Ans293 06hharome​

Answer 1

Answer:

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