Question: Need help with 6. (6) [5 points] If you test a 12V battery with a voltmeter, the reading will likely be very near 12V even

Need help with 6.

(6) [5 points] If you test a 12V battery with a voltmeter, the reading will likely be very near 12V even if the battery is "bad". This is because the voltmeter has a high internal resistance and little current is drawn through the voltmeter ER-LOAD 120 Ohms voltmeter circuit. Call this reading Vo; this will be equal to the EMF of the battery for zero current. The proper way to check the battery is to test it "under load", i.e. by requiring that significant current comes out of the battery terminals. This is done with a load resistor. (a) For a battery in good working order, the terminal voltage is near the stated EMF of 12V. Find the current through a 120 0 load resistor, and (b) calculate the power dissipated in the load. This is required for you to select a load resistor with sufficient power rating. (c) Show that under load, the battery internal resistance is given by: Tine Vo - Vload Road Vo (c) A particular 12V battery is considered bad if Ving, is less than 10V under these testing conditions. Calculate the internal resistance

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Physics Questions!

Case: In the United States, organ procurement organizations (OPOS), transplant centres, and the medical professions coordinate the organ donation process. The US government pays for this treatment...

Part a,b,c (6) [5 points] If you test a 12V battery with a voltmeter, the reading will likely be very near 12V even if the battery is \"bad\". This is because the voltmeter has a high internal...

Set Student Name: 1. Describe the relationship between two variables that have a correlation coefficient value: a. Near -1 b. Near 0 c. Near 1 2. Data was collected where a weightlifter was asked to...

Math\t107-6381\t-\tQuiz\t#4\t-\tSchultz\t-\tDue\tFebruary\t21,\t2016\t-\tpage\t1\tof 3 Follow\tthese\tdirections\tcarefully. This\tquiz\tis\tdue\tby\t11:59\tEastern\ttime\ton\tFebruary\t21,\t2016. o...

Providing Quality School-Based Learning and Support Services 239 Chapter 6 Language and literacy support Your core task The core task of almost all TAs is to support students language and literacy...

Guidelines for the Methods and Results paper Below are the step-by-step instructions for completing the paper due in Lesson 12. Follow these steps, and use the knowledge you've gained this semester...

markets questions and answers The cloud provider estimates that, based on historical data of the cloud environment, over the next 24 months there is a 22% chance that the physical server hosting the...

Parent perspective for case study: In this forum post and respond by taking the perspective of Joshua's family. Contribute concepts or ideas from the textbook to support the family perspective....

UIZ 2 QUESTION 1 Chavez is a manager of X Corporation. Another company asks for a recommendation about a former employee of X, Burke, who is now applying for a job. The reference is sent to the new...

Exam 2 Statistical Analysis Part 1 of 1 - Question 1 of 20 5.0/ 100.0 Points 0.0/ 5.0 Points The stacked bar chart below shows the percentages of death due to cancer in four geographic regions of the...

Response Paper Opportunity #2: Telling Stories about the Law As you read through L.H. LaRue's lecture about constitutional fictions and "telling stories" about the law and the selections from Everson...

Use Aeropostale's 10-K for the year ended February 3, 2007 (filed April 2, 2007), to answer the following questions. You should look up the 10-K online (which allows you to search and reference the...

How to build teams in terms of designing the task, selecting the people, and then, managing their relationships? How would compose a team for completing a course/work project in terms of the three...

E5.3 (LO 2, 3, 4) (Computation of Future Values and Present Values) Using the appropriate interest table, answer each of the following questions. (Each case is independent of the others.) a. What is...

As a risk management consultant, develop a report to mitigate risk of various energy sources produced by your company which is facing fluctuating costs and new emergent energy sources.

6. Why is there so much advertising in monopolistic competition and oligopoly? How does such advertising help consumers and promote efficiency? Why might it be excessive at times? LO14.4

10. Refer to the following payoff matrix. LO14.6 Assuming this is a sequential game with no collusion, what is the outcome if Firm A moves first to build a new type of commercial aircraft? Explain...

9. Refer to the payoff matrix in discussion question 3. First, assume this is a one-time game. Explain how the $60/$57 outcome might be achieved through a credible threat. Next, assume this is a...