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Will a lamp with a thick filament draw more current or
Chapter 15, Problem 79TAE(choose chapter or problem)
QUESTION:
Will a lamp with a thick filament draw more current or less current than a lamp with a thin filament?
Questions & Answers
QUESTION:
Will a lamp with a thick filament draw more current or less current than a lamp with a thin filament?
ANSWER:Step 1 of 2
The resistance of a filament in terms of cross sectional area is given by:
Where
is resistance
is resistivity
is the cross sectional area.