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Alla [95]
2 years ago
15

Physics Physics Physics - 10​

Physics
1 answer:
Svetach [21]2 years ago
7 0

Answer:

1.Pulley

2. Wheel and axle

3. Screw

4. wedge

5. Incline

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Recall that the electric field outside  a uniformly charged solid sphere  is exactly the same as if the charge were all at a point in the centre of the  sphere:

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lnside the sphere, the electric field also acts like a point charge, but only for the proportion of the charge further inside than the point r:

E_{inside} =\frac{1}{4\pi(e_{0})}\frac{Q}{R^{2} } \frac{r}{R} r^{'}

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=\frac{q}{4\pi e_{0} } [\frac{1}{R} -\frac{r^{2}-R^{2}  }{2R^{3} } ]

∴NOTE: Graph is attached

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