Pcs Raindrop

Pcs Raindrop Potential at surface? If a spherical raindrop of radius 0.650 mm carries a charge of -1.80 pC uniformly distributed over its volume, what is the potential at its surface? (Take the ...


Pcs Raindrop

Pcs Raindrop
Potential at surface?

If a spherical raindrop of radius 0.650 mm carries a charge of -1.80 pC uniformly distributed over its volume, what is the potential at its surface? (Take the potential to be zero at an infinite distance from the raindrop.)

V= _____ V.

Two identical raindrops, each with radius and charge specified in part (A), collide and merge into one larger raindrop. What is the radius of this larger drop, if its charge is uniformly distributed over its volume?

R =_______ m.
What is the potential at its surface, if its charge is uniformly distributed over its volume?

V= _______ V.

Help!

ok i am not that good at english but if CHARGE is q
than we het that potencial =kq/R

-1.8pC =q/V q=10^-18 * 0.494325

and u know that potencial = 9*10^9 * q/R

so u get it = 9*0.494325*10^-6 /0.65=6.8445 mikro Volts

2nd u go over Volume1+Volume2 =Volume(of the big drop)
and solwe

ul get R= r* (third root from 2)
and the charge is ower q1+q2=q so similar :)







 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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