Suppose 1.67 C of charge passes through the filament of a light bulb in 2.00 seconds. How many electrons pass through the filament in 5.00 s? Express all numerical values in three significant figures.

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Chapter17: Current And Resistance
Section: Chapter Questions
Problem 18P: The current supplied by a battery in a portable device is typically 0.15 A. Find the number of...
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Suppose 1.67 C of charge passes through the filament of a light bulb in 2.00 seconds. How many electrons pass through the filament in 5.00 s? Express all numerical values in three significant figures.

 

 

The current in the light bulb is:
milliamperes
The total amount of charge passing through the filament in t= 5.00 s is:
Q =
coulombs
Since a single electron has a charge of -1.60 x 10-19 C, the number of electrons passing through the filament in
t=5.00 s is:
N =
x 1019 electrons
Transcribed Image Text:The current in the light bulb is: milliamperes The total amount of charge passing through the filament in t= 5.00 s is: Q = coulombs Since a single electron has a charge of -1.60 x 10-19 C, the number of electrons passing through the filament in t=5.00 s is: N = x 1019 electrons
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