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1. Homework Statement
Revered members,
Please see my both attachments.
2. Homework Equations
F_{21} = (q_{1}q_{2}/4∏ε_{0}r_{12}^{2})*r_{12}cap(unit vector)
Is it wrong to use r_{12} instead of r_{21} for F_{21}. Because my second attachment uses r_{21 }for F_{21} and r_{12} or F_{12}. I am confused. Please help which is correct.
3. The Attempt at a Solution
1. Homework Statement
2. Homework Equations
3. The Attempt at a Solution
1. Homework Statement
2. Homework Equations
3. The Attempt at a Solution
Revered members,
Please see my both attachments.
2. Homework Equations
F_{21} = (q_{1}q_{2}/4∏ε_{0}r_{12}^{2})*r_{12}cap(unit vector)
Is it wrong to use r_{12} instead of r_{21} for F_{21}. Because my second attachment uses r_{21 }for F_{21} and r_{12} or F_{12}. I am confused. Please help which is correct.
3. The Attempt at a Solution
1. Homework Statement
2. Homework Equations
3. The Attempt at a Solution
1. Homework Statement
2. Homework Equations
3. The Attempt at a Solution
Attachments

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