PracticeMedium
Q.The resistance of a bulb at glowing temperature is 240 Ω. At room temperature it is 40 Ω. The ratio of power at glowing to room temperature when connected to same voltage is
a
1:6
b
6:1
c
1:36
d
36:1
Correct Answer: Option B
The correct solution involves applying the fundamental concept to derive the final value step by step...