Target Exam

CUET

Subject

Physics

Chapter

Current Electricity

Question:

At room temperature (25.0 °C) the resistance of a heating element is 100 . The temperature of the element at which resistance becomes 125.5 Ω is: (Given that the temperature coefficient of the material of the resistor is $1.70 × 10^{-4} °C^{-1}$)

Options:

1525 °C

1500 °C

1475 °C

1500 K

Correct Answer:

1525 °C

Explanation:

The correct answer is Option (1) → 1525 °C