1) What is Ey(R), the y-component of the electric field at point R, located a distance d = 44 cm from the origin along the y-axis as shown?
2) What is V(P)
so first you have to change p(rho) into a charge. by
times it by the area
1.
Q=p*a^2*pi
then
E(R)=((lamda)+Q)/(r*2*pi*8.85e-12) , r=
.44m
2.
Use Pythagorean theorm
for point P to get your distance
sqrt(.44^2+.44^2)
then
V(P)-V(R)=
(((lambda)+Q)/(2*pi*8.85e-12))ln(P) -
(((lambda)+Q)/(2*pi*8.85e-12))ln(R) ,where R= .44m
3. ok so you have to take the
integral from a to b of just the inner cylinder.
-(Q/(2*pi*8.85e-12))integral(a to b)
of (1/r)dr
4. 0=
(lambda+(rho*a^2*pi))/(2*pi*r*8.85e-12)
solve for
rho
1) What is Ey(R), the y-component of the electric field at point R, located a distance...
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