please answer number 6 Direction: Solve each problem. Show complete solution in a separate sheet of paper.1 What is the resistance of a 30 m silver wire with a 2 mm diameter?2. A carbon wire with a 3 mm diameter has a resistance of 100 ohms. How long lothe wire?3. A 200 m long aluminum wire has the same resistance and cross-sectional arcaas a carbon wire. What is the length of the carbon wire?4. A wire made of an unknown substance has a resistance of 125 ms2. The wirehas a length of 1.8 m and a cross-sectional area of 2.35x10-5 m2. What is theresistivity of the substance from which the wire is made? Give your answer inscientific notation.5. Compute the resistance of a hardened copper rod 2 meters long and 8 mm indiameter if the resistivity of the material is 1.756 x 10-8 ohm-meters.6. A 0.500-meter length of wire with a cross-sectional area of 3.14 x 10-6 meterSsquared is found to have a resistance of 2.53 x 10-3 ohms. According to theresistivity chart, from what material is the wire made?7. The resistance of a uniform copper wire 50.0 meters long and 1.15 mm indiameter is 0.830 ohms at 20° C. What is the resistivity of the copper at thistemperature?8. Differentiate Ohmic from no-Ohmic materials.9. Differentiate emf of a source and potential difference (PD) across a circuit.

6.Given-Length of wire L=0.500 mCross-sectional area A=3.14×10-6 mResistance R=2.53×10-3 ohm

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College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

please answer number 6

Direction: Solve each problem. Show complete solution in a separate sheet of paper.
1 What is the resistance of a 30 m silver wire with a 2 mm diameter?
2. A carbon wire with a 3 mm diameter has a resistance of 100 ohms. How long lo
the wire?
3. A 200 m long aluminum wire has the same resistance and cross-sectional arca
as a carbon wire. What is the length of the carbon wire?
4. A wire made of an unknown substance has a resistance of 125 ms2. The wire
has a length of 1.8 m and a cross-sectional area of 2.35x10-5 m2. What is the
resistivity of the substance from which the wire is made? Give your answer in
scientific notation.
5. Compute the resistance of a hardened copper rod 2 meters long and 8 mm in
diameter if the resistivity of the material is 1.756 x 10-8 ohm-meters.
6. A 0.500-meter length of wire with a cross-sectional area of 3.14 x 10-6 meterS
squared is found to have a resistance of 2.53 x 10-3 ohms. According to the
resistivity chart, from what material is the wire made?
7. The resistance of a uniform copper wire 50.0 meters long and 1.15 mm in
diameter is 0.830 ohms at 20° C. What is the resistivity of the copper at this
temperature?
8. Differentiate Ohmic from no-Ohmic materials.
9. Differentiate emf of a source and potential difference (PD) across a circuit.

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