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`        Gravitational field in a region is as given as , E= 3x2y2 i + 2x3y j. Gravitational potential at point A (1,1) is 10 unit, then what will potential at point B (2,3)`
4 months ago

## Answers : (1)

Samyak Jain
333 Points
```							We know that potentail difference between two points A and B is given byVB – VA = – ∫E.dr with lower and upper limits as coordinates of points A and B respectivelyand dr = dx i + dy j + dz k.Now, E.dr = (3x2y2 i + 2x3y j).(dx i + dy j + dz k) = 3x2y2 dx + 2x3y dy                 = d(x3 y2)So, VB – VA =  – ∫E.dr = – ∫d(x3 y2) = – [x3 y2](1,1)(2,3)i.e.  VB – 10 = – (23.32 – 13.12)  =  – 71$\therefore$  VB  =  – 71 + 10 = – 61.Potential at point B is – 61 unit.
```
4 months ago
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### Course Features

• 110 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions