Question 49 The Temperature Coefficient Of Resistivity For Copper Is 0 0068 Co If A Copper Wire Has A Resistance Of 1 (394.04 KiB) Viewed 18 times
Question 49 The Temperature Coefficient Of Resistivity For Copper Is 0 0068 Co If A Copper Wire Has A Resistance Of 2 (160.05 KiB) Viewed 18 times
Question 49 The temperature coefficient of resistivity for copper is 0.0068 (Cº) ¹. If a copper wire has a resistance of 104 Q2 at 20°C, what is its resistance 80°C? 42 ohms 192 ohms O146 ohms O 71 ohms none of the given choices 2 pts Question 50 A 2.0 mm diameter wire of length 20 m has a resistance of 0.25 Q. What is the resistivity of the wire? 3.9 × 10-802.m 4.0 × 107 2.m 16 x 10-8. m 5.0 × 10-7.m 2 pts none of the given choices
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