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Why is an electromotive force not a “force”? Justify your answer.

Why is an electromotive force not a “force”? Justify your answer.

Physics for Scientists and Engineers: Foundations and Connections
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter30: Magnetic Fields And Forces
Section: Chapter Questions
Problem 3PQ
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1. Why is an electromotive force not a “force”? Justify your answer.  

2. Are electromotive force and voltage the same? Justify your answer.  

3. A battery contains an emf of 20.0 V. Determine the current flowing the circuit once it is connected to a 30.50 Ω load if the internal resistance of the emf is equal to 0.234 Ω.  

4. A battery has an emf of 12V. When a load resistance of 4 Ω is connected to the battery terminals; a current of 2 amperes flows through it. Calculate the internal resistance of this battery. NOTE: Derive the formula of emf to get the internal resistance. 

 

4Q- Problem Set 1- Electromotive force.docx - WordPad Home View X Cut A Find - 12 -A A 章 三,三。 Times New Roman A Copy Replace Paste B I U abe X, x² Picture Paint Date and Insert drawing O Select all time object Clipboard Font Paragraph Insert Editing WordPad does not support all of the features of this document's format. Some content might be missing or displayed improperly. Instructions: Answer the following questions. I. Why is an electromotive force not a "force"? Justify your answer. (5 points) II. Are electromotive force and voltage the same? Justify your answer. (5 points) III. Calculate the following problems. Write the COMPLETE SOLUTION on a paper and attach a CLEAR picture of your answers here. 1. A battery contains an emf of 20.0 V. Determine the current flowing the circuit once it is connected to a 30.50 Q load if the internal resistance of the emf is equal to 0.234 2. (5 points) 100% e + 7:16 PM 3/10/2021
Transcribed Image Text:4Q- Problem Set 1- Electromotive force.docx - WordPad Home View X Cut A Find - 12 -A A 章 三,三。 Times New Roman A Copy Replace Paste B I U abe X, x² Picture Paint Date and Insert drawing O Select all time object Clipboard Font Paragraph Insert Editing WordPad does not support all of the features of this document's format. Some content might be missing or displayed improperly. Instructions: Answer the following questions. I. Why is an electromotive force not a "force"? Justify your answer. (5 points) II. Are electromotive force and voltage the same? Justify your answer. (5 points) III. Calculate the following problems. Write the COMPLETE SOLUTION on a paper and attach a CLEAR picture of your answers here. 1. A battery contains an emf of 20.0 V. Determine the current flowing the circuit once it is connected to a 30.50 Q load if the internal resistance of the emf is equal to 0.234 2. (5 points) 100% e + 7:16 PM 3/10/2021
4Q- Problem Set 1- Electromotive force.docx - WordPad Home View X Cut A Find - 12 -A A 章 三,三、 Times New Roman A Copy ab. Replace Paste B I U abe X, x² Picture Paint Date and Insert drawing O Select all time object Clipboard Insert Font Paragraph Editing WordPad does not support all of the features of this document's format. Some content might be missing or displayed improperly. III. Calculate the following problems. Write the COMPLETE SOLUTION on a paper and attach a CLEAR picture of your answers here. 1. A battery contains an emf of 20.0 V. Determine the current flowing the circuit once it is connected to a 30.50 2 load if the internal resistance of the emfis equal to 0.234 Q. (5 points) 2. A battery has an emf of 12V. When a load resistance of 4 2 is connected to the battery terminals; a current of 2 amperes flows through it. Calculate the internal resistance of this battery. NOTE: Derive the formula of emf to get the internal resistance. (5 points) 100% e + 7:16 PM 3/10/2021
Transcribed Image Text:4Q- Problem Set 1- Electromotive force.docx - WordPad Home View X Cut A Find - 12 -A A 章 三,三、 Times New Roman A Copy ab. Replace Paste B I U abe X, x² Picture Paint Date and Insert drawing O Select all time object Clipboard Insert Font Paragraph Editing WordPad does not support all of the features of this document's format. Some content might be missing or displayed improperly. III. Calculate the following problems. Write the COMPLETE SOLUTION on a paper and attach a CLEAR picture of your answers here. 1. A battery contains an emf of 20.0 V. Determine the current flowing the circuit once it is connected to a 30.50 2 load if the internal resistance of the emfis equal to 0.234 Q. (5 points) 2. A battery has an emf of 12V. When a load resistance of 4 2 is connected to the battery terminals; a current of 2 amperes flows through it. Calculate the internal resistance of this battery. NOTE: Derive the formula of emf to get the internal resistance. (5 points) 100% e + 7:16 PM 3/10/2021
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