Question 3.1 What do you conclude about the potential difference when the two leads from the voltage probe are connected to the same point? What do you conclude about the potential difference between the two ends of the same wire?

Question 3.1 What do you conclude about the potential difference when the two leads from the voltage probe are connected to the same point? What do you conclude about the potential difference between the two ends of the same wire?

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter21: Circuits And Dc Instruments

Section: Chapter Questions

Problem 13CQ: Is every emf a potential difference? Is every potential difference an emf? Explain.

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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.

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Question 3.1 What do you conclude about the potential difference when the two leads
from the voltage probe are connected to the same point? What do you conclude about the
potential difference between the two ends of the same wire?

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