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charged particie will create ah electric field around Itself. HOw do you the irection of the field lines?

charged particie will create ah electric field around Itself. HOw do you the irection of the field lines?

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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**Question: What unit is used when describing the flow of charge in a circuit?** **Options:** 1. Volts 2. Ohm 3. Watts 4. Amps 5. Doge **Explanation:** - **Volts**: This unit is used to measure the electric potential difference or electric tension. It does not directly measure the flow of charge. - **Ohm**: This unit is used to measure electrical resistance, not the flow of charge. - **Watts**: This unit is used to measure power, which is the rate of energy transfer. It is not used to measure the flow of charge. - **Amps**: This unit (short for amperes) is indeed used to measure the flow of charge, or electrical current, in a circuit. - **Doge**: This option is not a legitimate unit of measurement in the context of electrical circuits; it is likely included as a humorous choice.
Transcribed Image Text:**Question: What unit is used when describing the flow of charge in a circuit?** **Options:** 1. Volts 2. Ohm 3. Watts 4. Amps 5. Doge **Explanation:** - **Volts**: This unit is used to measure the electric potential difference or electric tension. It does not directly measure the flow of charge. - **Ohm**: This unit is used to measure electrical resistance, not the flow of charge. - **Watts**: This unit is used to measure power, which is the rate of energy transfer. It is not used to measure the flow of charge. - **Amps**: This unit (short for amperes) is indeed used to measure the flow of charge, or electrical current, in a circuit. - **Doge**: This option is not a legitimate unit of measurement in the context of electrical circuits; it is likely included as a humorous choice.
### Understanding the Direction of Electric Field Lines When a charged particle creates an electric field around itself, understanding the direction of the field lines is crucial for interpreting how other charges will interact with this field. To determine the direction of the electric field lines, consider the following options: 1. **The lines are drawn from the electron to the proton.** 2. **The lines are drawn from the negative point to the positive point.** 3. **The lines are drawn in a direction that a positive test charge will move.** 4. **The lines are drawn in a direction that a negative test charge will move.** **Explanation of Choices:** - **Option 1:** - Incorrect. The terms "electron" and "proton" refer specifically to types of particles. While electrons are negatively charged and protons are positively charged, the direction of electric field lines should be generalized for any negative or positive charges. - **Option 2:** - Correct. The electric field lines are conventionally drawn from a region of negative charge to a region of positive charge. This indicates the direction in which a positive test charge would move. - **Option 3:** - Correct. The electric field lines represent the path a positive test charge would naturally follow. This helps visualize how positive charges would interact within the field. - **Option 4:** - Incorrect. Although this refers to the movement direction of a negative charge, electric field lines are defined based on the movement of positive test charges. **Graph or Diagram Explanation:** If a diagram were to accompany this explanation, it would typically show: 1. **A Negative and a Positive Charge:** - A point labeled with a "-" symbol for the negative charge. - A point labeled with a "+" symbol for the positive charge. 2. **Electric Field Lines:** - Lines emanating from the negative charge and pointing towards the positive charge. - Arrows on the lines indicating the direction of the field, moving from the negative to the positive charge. Such a diagram visually reinforces the concept that electric field lines move from negative to positive, providing a clear and concise representation of the field’s direction. This visual aid is particularly useful in helping learners grasp the concept more effectively.
Transcribed Image Text:### Understanding the Direction of Electric Field Lines When a charged particle creates an electric field around itself, understanding the direction of the field lines is crucial for interpreting how other charges will interact with this field. To determine the direction of the electric field lines, consider the following options: 1. **The lines are drawn from the electron to the proton.** 2. **The lines are drawn from the negative point to the positive point.** 3. **The lines are drawn in a direction that a positive test charge will move.** 4. **The lines are drawn in a direction that a negative test charge will move.** **Explanation of Choices:** - **Option 1:** - Incorrect. The terms "electron" and "proton" refer specifically to types of particles. While electrons are negatively charged and protons are positively charged, the direction of electric field lines should be generalized for any negative or positive charges. - **Option 2:** - Correct. The electric field lines are conventionally drawn from a region of negative charge to a region of positive charge. This indicates the direction in which a positive test charge would move. - **Option 3:** - Correct. The electric field lines represent the path a positive test charge would naturally follow. This helps visualize how positive charges would interact within the field. - **Option 4:** - Incorrect. Although this refers to the movement direction of a negative charge, electric field lines are defined based on the movement of positive test charges. **Graph or Diagram Explanation:** If a diagram were to accompany this explanation, it would typically show: 1. **A Negative and a Positive Charge:** - A point labeled with a "-" symbol for the negative charge. - A point labeled with a "+" symbol for the positive charge. 2. **Electric Field Lines:** - Lines emanating from the negative charge and pointing towards the positive charge. - Arrows on the lines indicating the direction of the field, moving from the negative to the positive charge. Such a diagram visually reinforces the concept that electric field lines move from negative to positive, providing a clear and concise representation of the field’s direction. This visual aid is particularly useful in helping learners grasp the concept more effectively.
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