Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Current Electricity

Question:

Which of the following statements best describe the temperature dependence of resistances of Cu and Si in the temperature range 27° to 127°C.

Options:

Linear decrease for both Cu and Si

Linear increase for both Cu and Si

Linear decrease for Cu and exponential increase for Si

Linear increase for Cu and exponential decrease for Si

Correct Answer:

Linear increase for Cu and exponential decrease for Si

Explanation:

The correct answer is Option (4) → Linear increase for Cu and exponential decrease for Si