A battery with a fixed voltage is attached to different resistances. Which graph best shows how the current will change with different resistances?
A battery with a fixed voltage is attached to different resistances. Which graph best shows how the current will change with different resistances?
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
![**Understanding the Relationship between Voltage, Current, and Resistance**
**Prompt:**
A battery with a fixed voltage is attached to different resistances. Which graph best shows how the current will change with different resistances?
**Graphs Description:**
1. **Graph 1 (Top-Left):**
- X-axis: Resistance (in ohms, a range from 0 to around 4.5)
- Y-axis: Current (in amperes, a range from 0 to 20)
- The graph is an upward-curving parabola starting at the origin and increasing sharply towards the end.
2. **Graph 2 (Second from Top-Left):**
- X-axis: Resistance (in ohms, a range from 0 to 5)
- Y-axis: Current (in amperes, a range from 0 to 20)
- The graph shows a horizontal line at a constant current value of around 20 amperes with green dots at regular intervals.
3. **Graph 3 (Second from Bottom-Left):**
- X-axis: Resistance (in ohms, a range from 0 to around 4.5)
- Y-axis: Current (in amperes, a range from 0 to 20)
- The graph is a straight line starting at the origin and moving linearly upwards.
4. **Graph 4 (Bottom-Left):**
- X-axis: Resistance (in ohms, a range from 0 to 5)
- Y-axis: Current (in amperes, a range from 0 to 20)
- The graph is a downward-curving parabola, starting at around 20 amperes when the resistance is 0 and approaching but never quite reaching 0 amperes as the resistance increases.
**Conceptual Explanation:**
Ohm's Law is fundamental in understanding the relationship between voltage (V), current (I), and resistance (R). It is mathematically expressed as:
\[ I = \frac{V}{R} \]
Considering a fixed voltage (V), as the resistance (R) increases, the current (I) should decrease. This relationship is inverse; meaning if resistance increases, current decreases proportionally.
**Analysis of Graphs:**
1. **Graph 1**: This graph incorrectly shows the current increasing with increasing resistance, which contradicts Ohm's Law.
2. **Graph](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F31dd22d1-4d42-4df5-beab-b627ad261fed%2Feba1aa92-9cab-4fa5-b9bd-95ba7c95fd34%2Fbpj7nck_processed.png&w=3840&q=75)
Transcribed Image Text:**Understanding the Relationship between Voltage, Current, and Resistance**
**Prompt:**
A battery with a fixed voltage is attached to different resistances. Which graph best shows how the current will change with different resistances?
**Graphs Description:**
1. **Graph 1 (Top-Left):**
- X-axis: Resistance (in ohms, a range from 0 to around 4.5)
- Y-axis: Current (in amperes, a range from 0 to 20)
- The graph is an upward-curving parabola starting at the origin and increasing sharply towards the end.
2. **Graph 2 (Second from Top-Left):**
- X-axis: Resistance (in ohms, a range from 0 to 5)
- Y-axis: Current (in amperes, a range from 0 to 20)
- The graph shows a horizontal line at a constant current value of around 20 amperes with green dots at regular intervals.
3. **Graph 3 (Second from Bottom-Left):**
- X-axis: Resistance (in ohms, a range from 0 to around 4.5)
- Y-axis: Current (in amperes, a range from 0 to 20)
- The graph is a straight line starting at the origin and moving linearly upwards.
4. **Graph 4 (Bottom-Left):**
- X-axis: Resistance (in ohms, a range from 0 to 5)
- Y-axis: Current (in amperes, a range from 0 to 20)
- The graph is a downward-curving parabola, starting at around 20 amperes when the resistance is 0 and approaching but never quite reaching 0 amperes as the resistance increases.
**Conceptual Explanation:**
Ohm's Law is fundamental in understanding the relationship between voltage (V), current (I), and resistance (R). It is mathematically expressed as:
\[ I = \frac{V}{R} \]
Considering a fixed voltage (V), as the resistance (R) increases, the current (I) should decrease. This relationship is inverse; meaning if resistance increases, current decreases proportionally.
**Analysis of Graphs:**
1. **Graph 1**: This graph incorrectly shows the current increasing with increasing resistance, which contradicts Ohm's Law.
2. **Graph
![### Interactive Question:
**Question:**
A circuit with a certain resistance has different strength batteries attached. Which graph best shows how the current will change with different voltages?
1. **Graph A**: A curve that starts at the origin (0,0) and increases exponentially towards higher current values as voltage increases.
![Graph A](data:image/png;base64, ...)
2. **Graph B**: A horizontal line indicating constant current regardless of voltage changes.
![Graph B](data:image/png;base64, ...)
3. **Graph C**: A straight line passing through the origin, representing a linear relationship between voltage and current.
![Graph C](data:image/png;base64, ...)
4. **Graph D**: A decreasing curve that starts high and gradually flattens out as voltage increases.
![Graph D](data:image/png;base64, ...)
**Explanation of Graphs:**
- **Graph A**: This graph shows an exponential increase in current as voltage increases, implying a non-linear, increasing relationship between current and voltage.
- **Graph B**: This graph depicts a scenario where current remains constant irrespective of the voltage applied.
- **Graph C**: This graph illustrates a direct proportionality between current and voltage, aligning with Ohm's Law (\( I = \frac{V}{R} \)) for a fixed resistor. As voltage increases, current increases linearly.
- **Graph D**: This graph shows a negative exponential relationship, indicating that current decreases as voltage increases, which is not typical for a simple resistive circuit.
Consider the characteristics of each graph in relation to Ohm's Law to determine the correct depiction of how the current changes with voltage for a given resistance.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F31dd22d1-4d42-4df5-beab-b627ad261fed%2Feba1aa92-9cab-4fa5-b9bd-95ba7c95fd34%2Foxgdj2y_processed.png&w=3840&q=75)
Transcribed Image Text:### Interactive Question:
**Question:**
A circuit with a certain resistance has different strength batteries attached. Which graph best shows how the current will change with different voltages?
1. **Graph A**: A curve that starts at the origin (0,0) and increases exponentially towards higher current values as voltage increases.
![Graph A](data:image/png;base64, ...)
2. **Graph B**: A horizontal line indicating constant current regardless of voltage changes.
![Graph B](data:image/png;base64, ...)
3. **Graph C**: A straight line passing through the origin, representing a linear relationship between voltage and current.
![Graph C](data:image/png;base64, ...)
4. **Graph D**: A decreasing curve that starts high and gradually flattens out as voltage increases.
![Graph D](data:image/png;base64, ...)
**Explanation of Graphs:**
- **Graph A**: This graph shows an exponential increase in current as voltage increases, implying a non-linear, increasing relationship between current and voltage.
- **Graph B**: This graph depicts a scenario where current remains constant irrespective of the voltage applied.
- **Graph C**: This graph illustrates a direct proportionality between current and voltage, aligning with Ohm's Law (\( I = \frac{V}{R} \)) for a fixed resistor. As voltage increases, current increases linearly.
- **Graph D**: This graph shows a negative exponential relationship, indicating that current decreases as voltage increases, which is not typical for a simple resistive circuit.
Consider the characteristics of each graph in relation to Ohm's Law to determine the correct depiction of how the current changes with voltage for a given resistance.
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