A typical flashlight battery will produce a 0.50-A current for about 3 h before losing its charge. Determine the total number of electrons that have moved past a cross section of wire connecting the battery and lightbulb.

A typical flashlight battery will produce a 0.50-A current for about 3 h before losing its charge. Determine the total number of electrons that have moved past a cross section of wire connecting the battery and lightbulb.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter21: Current And Direct Current Circuits

Section21.2: Resistance And Ohm’s Law

Problem 21.3QQ: When does an incandescent lightbulb carry more current? (a) immediately after it is turned on and...

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Concept explainers

Microscopic view of current

In physics, the term current is expressed as the rate of flow of electric charges across the area per unit time (I=q/t). It propagates along in the direction of the motion of positive charges. When the current is caused by the motion of electrons, the direction of the current is opposite to the flow.

Question

A typical flashlight battery will produce a 0.50-A current for about 3 h
before losing its charge. Determine the total number of electrons that
have moved past a cross section of wire connecting the battery and
lightbulb.

Expert Solution

Step 1

Given data:

Current (I) = 0.50 A

Time (t) = 3 h

Required:

The number of electrons moved through cross section

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