
Whether the light turn on immediately as we switch on the bulb.

Answer to Problem 4Q
Solution:
The filament of the bulb lit up almost instantly when we switch it on.
Explanation of Solution
When we switch on the bulb, the electron flow and hit the electrons already present in the wire. They push them along. The wave travels at a speed almost one tenth of the
Chapter 22 Solutions
Physics: Principles with Applications
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