Dimensional formula of current density
2 answers:
<em>The Dimensional Formula is ![[M ^{-2} A]](https://tex.z-dn.net/?f=%5BM%20%5E%7B-2%7D%20A%5D)
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When we are talking about current density, we are referring to "Ampere per unit area", so the unit we would use is
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When we are talking about current density, we are referring to "Ampere per unit area", so the unit we would use is
Thank you for your question! I hope this helped! Have an amazing rest of your week and feel free to let me know if you need any further help with anything! :D
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Answer
given,
Mass of the solid sphere = 1800 Kg
radius of the sphere,R = 5 m
mass of the small sphere, m = 2.30 Kg
when the Point is outside the sphere the Force between them is equal to
when r>R
When Point is inside the Sphere
when r<R
where r is the distance where the point mass is placed form the center
Now Force calculation
a) r = 5.05 m
[/tex]
F = 1.082 x 10⁻⁸ N
b) r = 2.65 m