4. What does the effect of temperature on the resistance of an insulator increase? A. no effect B. opposite effect C. positive temperature coefficient D. negative temperature coefficient 5. The resistance of a metallic conductor decreases with temperature due to? A. change in carier density B. change in the dimension of the conductor C. decrease in the number of collision s among carriers D. decrease in the rate of collisions between carriers and the vibrating atoms 6. For the materials to have a high electrical resistance, what temperature is needed? A. high B. less C. negative D. positive
4. What does the effect of temperature on the resistance of an insulator increase? A. no effect B. opposite effect C. positive temperature coefficient D. negative temperature coefficient 5. The resistance of a metallic conductor decreases with temperature due to? A. change in carier density B. change in the dimension of the conductor C. decrease in the number of collision s among carriers D. decrease in the rate of collisions between carriers and the vibrating atoms 6. For the materials to have a high electrical resistance, what temperature is needed? A. high B. less C. negative D. positive
Transcribed Image Text:Assessment
Directions. Choose the letter that corresponds to the best answer and write it on a
separate sheet of paper.
1. Which of the following is the unit for temperature?
A. Ampere
B. Kelvin
C. Ohm
D. Voltage
2. What is the relationship of temperature and resistance of a conductor?
A. stay the same
B. no relationship
3. What effect does colder temperature have on resistance?
A. no effect
C. directly proportional
D. inversely proportional
C. increase resistance
D. decrease resistance
B. stays the same
4. What does the effect of temperature on the resistance of an insulator increase?
A. no effect
B. opposite effect
C. positive temperature coefficient
D. negative temperature coefficient
5. The resistance of a metallic conductor decreases with temperature due to?
A. change in carrier density
B. change in the dimension of the conductor
C. decrease in the number of collision s among carriers
D. decrease in the rate of collisions between carriers and the vibrating atoms
6. For the materials to have a high electrical resistance, what temperature is needed?
A. high
7. With the decrease in temperature, the insulating property of the material?
A. gains
B. weakens
B. less C. negative
D. positive
C. no effect
D. remains unchanged no effect
8. Which of the following has a positive temperature coefficient?
B. plastic
C. rubber
A. copper
D. silicon
12
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