a. P = V^2/R = 24W.
120^2/R = 24
R = 600 Ohms.
.
(a) What is the hot resistance of a 24 W light bulb that runs on 120 V AC?
(b) If the bulb's operating temperature is 2700°C, what is its resistance at 2570°C?
1 answer
(b) If the bulb's operating temperature is 2700°C, what is its resistance at 2570°C?
1 answer
2 answers
2 answers
0 answers
3 answers