Solution Found!
Why does the filament of a lightbulb glow while the
Chapter 15, Problem 20E(choose chapter or problem)
QUESTION:
Why does the filament of a lightbulb glow while the connecting wires do not?
Questions & Answers
QUESTION:
Why does the filament of a lightbulb glow while the connecting wires do not?
ANSWER:Solution 20E The filament of a lightbulb is thin and so it experiences a very high resistance. This is in accordance with the relation R 1/A , R is resistance and A is the cross-section. The filament has a low area of cross-section and hence the resistance R is