Density, density, density. (a) A charge -346e is uniformly distributed along a c

Question

Density, density, density. (a) A charge -346e is uniformly distributed along a circular arc of radius 6.50 cm, which subtends an angle of 56o. What is the linear charge density along the arc? (b) A charge -346e is uniformly distributed over one face of a circular disk of radius 4.20 cm. What is the surface charge density over that face? (c) A charge -346e is uniformly distributed over the surface of a sphere of radius 4.00 cm. What is the surface charge density over that surface? (d) A charge -346e is uniformly spread through the volume of a sphere of radius 2.30 cm. What is the volume charge density in that sphere? please answer in order and label (a) , (b) , ect

Explanation / Answer

a)=q/r=-346*1.6*10-19/0.065*(56*/180)=-8.71*10-16C/m

b)=q/r2=-9.99*10-15C/m2

c)=q/4r2=-2.75*10-15C/m2

d)=q/(4/3r3)=-1.09*10-12C/m3

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