3. If the potential difference between two points is 20 V, how much energy is expended to bring 10 mC (10 x 10 3³ C) charge from one point to the other?
3. If the potential difference between two points is 20 V, how much energy is expended to bring 10 mC (10 x 10 3³ C) charge from one point to the other?
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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![**Question 3:**
If the potential difference between two points is 20 V, how much energy is expended to bring 10 mC (10 x 10^-3 C) charge from one point to the other?
**Explanation:**
To determine the energy expended, use the formula:
\[ \text{Energy} (W) = \text{Charge} (Q) \times \text{Potential Difference} (V) \]
Given:
- Charge \( Q = 10 \, \text{mC} = 10 \times 10^{-3} \, \text{C} \)
- Potential Difference \( V = 20 \, \text{V} \)
So, the energy can be calculated as:
\[ W = 10 \times 10^{-3} \, \text{C} \times 20 \, \text{V} \]
\[ W = 0.2 \, \text{Joules} \]
Therefore, 0.2 Joules of energy is expended.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5867f8dc-778e-4b8e-9045-c957ac9725cc%2Fa4cc363e-f980-400a-bdbb-4bfeb562fca4%2Fnjs5bh7_processed.png&w=3840&q=75)
Transcribed Image Text:**Question 3:**
If the potential difference between two points is 20 V, how much energy is expended to bring 10 mC (10 x 10^-3 C) charge from one point to the other?
**Explanation:**
To determine the energy expended, use the formula:
\[ \text{Energy} (W) = \text{Charge} (Q) \times \text{Potential Difference} (V) \]
Given:
- Charge \( Q = 10 \, \text{mC} = 10 \times 10^{-3} \, \text{C} \)
- Potential Difference \( V = 20 \, \text{V} \)
So, the energy can be calculated as:
\[ W = 10 \times 10^{-3} \, \text{C} \times 20 \, \text{V} \]
\[ W = 0.2 \, \text{Joules} \]
Therefore, 0.2 Joules of energy is expended.
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Given:
The potential difference is 20 V.
The charge is 10 mC.
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