Answered: 4. A 350 V energy source delivers 450…

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4. A 350 V energy source delivers 450 mA for 1 hour. How much energy in joules does this represent?

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter29: Introduction To Quantum Physics

Section: Chapter Questions

Problem 24PE: Do the unit conversions necessary to show that hc=1240eVnm, as stated in the text.

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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.

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