Share
A light bulb is supplied with 100 J of energy each second. a How many joules of energy leave the bulb each second in the form
Question
A light bulb is supplied with 100 J of energy each
second.
a How many joules of energy leave the bulb
each second in the form of heat and light?
b If 10 J of energy leave the lamp each second
in the form of light, how many joules leave
each second in the form of heat?
in progress
0
Physics
3 years
2021-09-03T02:56:38+00:00
2021-09-03T02:56:38+00:00 1 Answers
106 views
0
Answers ( )
Answer:
a.95J
b.90J
Explanation:
a.Applying energy conservation laws:-
Energy Into Bulb=![Rendered by QuickLaTeX.com Light \ Energy+Thermal \ Energy(Heat \ Energy)](https://documen.tv/wp-content/ql-cache/quicklatex.com-eed4b18575ced2c0e0a821d35c0c8715_l3.png)
Given that light energy=5J,and Total Energy=100J
b. Applying the laws in a above.
Total Energy=100J
Light Energy=10J