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Problem 3 Easy Difficulty

A battery with an emf of 12.0 $\mathrm{V}$ has a terminal voltage of 11.5 $\mathrm{V}$ when the current is 3.00 $\mathrm{A}$ . (a) Calculate the battery's internal resistance $r .$(b) Find the load resistance $R$ .

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Video Transcript

in the first part of this question, we are going to kill like the external resistance in the circuit that is, Oh, in order to complete this in external resistance, let me apply the insula, which is recalls true. I am no soul in this question for are we will get articles to we divided by I. Let's call it Equation one Now setting the values into this equation. We will get articles to 11.5 hold divided by 3.0 impaired. So this will give us articles, too. Three point Ed Creel. Now, let's come toward the second part of this question. In seven part of this question, we are also calculate the internal resistance off the circuit that is smaller. In order to kill Claire. This resistance, let me write the relevant equation that is equals two. We Plus I am here. Is the IMF off the bedroom now? What's holding this equation for are we will get articles too, You minus. We do want it by eye. Let's call it equation too. Setting the well using equipment too. We will get articles too well. World minus 11.5 hold divided by people aren't jealous little. I'm bad. This will give us articles too. 0.1. So you know, So I know the question.

Other Schools
Top Physics 102 Electricity and Magnetism Educators
LB
Liev B.

Numerade Educator

Farnaz M.

Other Schools

Zachary M.

Hope College

Meghan M.

McMaster University

Physics 102 Electricity and Magnetism Bootcamp

Lectures

Join Bootcamp