PracticeMedium
Q.The resistance of a bulb filament is 100 Ω at room temperature. When it glows, its resistance becomes 900 Ω. The temperature rise is (α = 0.0045 °C⁻¹)
a
C
b
C
c
C
d
C
Correct Answer: Option A
The correct solution involves applying the fundamental concept to derive the final value step by step...