68 326
Assignments Done
98,8%
Successfully Done
In November 2018

Answer to Question #33881 in Electromagnetism for Athul

Question #33881
In A.C circuits electrons move back and forth and the net current over one complete cycle is zero.Then how does a bulb connected to an AC circuit glow as the same number of electrons flowing in flows out at next instant?
Expert's answer
When the light bulb is connected to AC circuit, electronsare moving in the filament. Filament has high temperature. Electrons move back
and forth, but electrons move forth - stop - move back. Before the electrons change direction, electrons has moved slow. So, current is less. But we can't see this process. Why? Because filament has a thermal inertia, and light bulb can't cool down in a split second.

Need a fast expert's response?

Submit order

and get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!

Comments

No comments. Be first!

Leave a comment

Ask Your question

Submit
Privacy policy Terms and Conditions