An isolated conducting sphere of radius R has charge
Q uniformly distributed on its surface. What...
An isolated conducting sphere of radius R has charge
Q uniformly distributed on its surface. What is the
electric field (E) inside the conducting sphere at
distance r = R/2 from center?
A charge Q is distributed in the volume of a sphere of radius R
with a density non-uniform load cubic p = B (R - r) , where b is a
constant and r is the distance to the center of the sphere
determine: The values of the potential in the center and on the
surface of the sphere.
A spherical charge distribution of radius R has a charge Q
distributed uniformly over its volume. Find the magnitude of the
electric field E(r) and the electric potential V (r) for all r.
A solid conducting sphere of radius 2.4 cm has a charge of 23 nC
distributed uniformly over its surface. Let A be a point 1.8 cm
from the center of the sphere, S be a point on the surface of the
sphere, and B be a point 5.4 cm from the center of the sphere. What
are the electric potential differences (a)VS – VB and (b)VA –
VB?
An isolated charged conducting sphere has a radius R = 14.0 cm.
At a distance of r = 24.0 cm from the center of the sphere the
electric field due to the sphere has a magnitude of E = 4.90 ✕ 104
N/C. (a) What is its surface charge density (in µC/m2)? µC/m2 (b)
What is its capacitance (in pF)? pF (c) What If? A larger sphere of
radius 30.0 cm is now added so as to be concentric with...
A thin spherical shell of radius R and total charge Q
distributed uniformly over its surfacce.
1. Plot resistitivity as a function of temperature for some
resonable range of temeratures.
2. Design a resistor made of copper that has a resistance of 50
Ohms at room remperature.
consider a charge Q distributed through out a sphere of radius R
with a density: rho= A(R-r) where rho is in Coulombs/m^3
0<r<R
determine the constant A in terms of Q and R
Calculate the electric field inside and outside of the
sphere
Consider a conducting sphere of radius R carrying a net charge
Q.
a). Using Gauss’s law in integral form and the equation |E| =
σ/ε0 for conductors, nd the surface charge
density on the sphere. Does your answer match what you expect? b).
What is the electrostatic self energy of this sphere?
c). Assuming the sphere has a uniform density ρ, what is the
gravitational self energy of the sphere? (That is, what amount of
gravitational energy is required/released when...
A solid sphere of radius a is uniformly charged with a total
charge Q > 0.
a. Use Gauss’s law to determine the electric field
everywhere.
b. Where is the magnitude of the electric field the
largest?
c. What is its value there?
d. Find two distances from the centre of the sphere where the
electric field has half of its maximum value.
A sphere of radius R is charged with a charge Q.
1. What is the potential outside of the sphere at distance r from
the center of the sphere?
2. what is the electric potential at the center of the
sphere