Thankyou please show complete solution 9. What does it mean If material has a positive temperature coefficient?A. the resistance increases with a decrease in temperatureB. the resistance increases with an increase in temperatureC. the resistance decreases with a decrease in temperatureD. the resistance decreases with an increase in temperatureFor items 10–15, refer to the given graph below.5Nickel4Copper32PlatinumImage is from https://circuitglobe.com/resistance-1thermometer.html400600 800" 1000°10. Which of the following has higher resistance at approximately 400K?A. copper11. Which of the following has higher resistance at approximately 800K?A. copper12. Which of the following has higher resistance at approximately 1000K?A. copper13. At which temperature does platinum have the resistance of 2 ohms?B. nickelC. platinumD. noneB. nickelC. platinumD. noneB. nickelC. platinumD. noneA. 400KB. 600KC. 800KD. 1000K14. At which temperature does cooper have the resistance of 3 ohms?A. 400KC. 800K15. Which solid conductor shows the highest resistance?C. platinumB. 600KD. 1000KA. copperB. nickelD. none AssessmentDirections. Choose the letter that corresponds to the best answer and write it on aseparate sheet of paper.1. Which of the following is the unit for temperature?A. AmpereB. KelvinC. OhmD. Voltage2. What is the relationship of temperature and resistance of a conductor?A. stay the sameB. no relationship3. What effect does colder temperature have on resistance?A. no effectC. directly proportionalD. inversely proportionalC. increase resistanceD. decrease resistanceB. stays the same4. What does the effect of temperature on the resistance of an insulator increase?A. no effectB. opposite effectC. positive temperature coefficientD. negative temperature coefficient5. The resistance of a metallic conductor decreases with temperature due to?A. change in carrier densityB. change in the dimension of the conductorC. decrease in the number of collision s among carriersD. decrease in the rate of collisions between carriers and the vibrating atoms6. For the materials to have a high electrical resistance, what temperature is needed?A. high7. With the decrease in temperature, the insulating property of the material?A. gainsB. weakensB. less C. negativeD. positiveC. no effectD. remains unchanged no effect8. Which of the following has a positive temperature coefficient?B. plasticC. rubberA. copperD. silicon12

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9. What does it mean If material has a positive temperature coefficient? A. the resistance increases with a decrease in temperature B. the resistance increases with an increase in temperature C. the resistance decreases with a decrease in temperature D. the resistance decreases with an increase in temperature

9. What does it mean If material has a positive temperature coefficient? A. the resistance increases with a decrease in temperature B. the resistance increases with an increase in temperature C. the resistance decreases with a decrease in temperature D. the resistance decreases with an increase in temperature

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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