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What is the surface charge density on the inner and outer surface of the shell?
A metal sphere of radius R, carrying charge q, is surrounded by a thick concentric metal shell (inner radius a, outer radius b).
Calculate the electric field (magnitude and direction) in terms of q and the distance r from the common centre of the two shells.
What is a capacitor? Describe different types of capacitors and derive expressions for their capacitances.
Find the energy stored in the electrostatic field of a uniformly charged (with density p) spherical shell of inner radius a and outer radius b.
Four point charges q = +3.6 uC are arranged in a square of edge length 2.0 cm. What is the electric potential at the center of the square?
Two charges, -18 and +4.0 microcoulombs, are fixed in place and separated by 3.0 meters. At what spot along a line through the charges is the net electric field
An equilateral triangle has sides of 0.12 meters. Charges of -8.6, +8.0 and +1.6 micro Coulombs are located at the corners of the triangle.
Two point particles, 1 with charge +8*10^-9C and the other with charge -2*10^-9C, are separated by 4m.
A particle with a charge -2.3*10-8C charge is moved from X=3.5cm on the x axis to y=3.5cm on the y axis.
If the tape pulled from the dispenser has 0.14 micro C of charge per centimeter, what length of the tape must be pulled to transfer 1.8 x 10^13.
Light is send through the two-sheet polarizing system with unknown orientation of the polarizing axes.
Find the force that the point charge exerts on the conductor by considering the force on the induced surface charge density.
Using method of images, find the force of attraction between an external point charge +Q and a conducting sphere of potential V_0.
Charge is uniformly distributed around a ring of radius R= 2.40 cm and the resulting electric field magnitude E is measured along the ring's central axis.
Two drunks start out together at the origin, each having equal probability of making a step to the left or right along the x-axis.
If there is a force of 5.0 x 10-12 N acting to the left on an electron, the electric field intensity at the location of this electron will be:
Object A is metallic and electrically neutral. It is charged by induction so that it acquires a charge of -3.0 x 10^-6 C.
The potential difference between the two locations is Vb-Va= 45.0 V. What is the magnitude and sign of the charge?
Calculate the surface charge density on the inside surface of the conducting sphere.
Find the electron potential inside and outside of a spherical conductor of radius R = 15 cm carrying a charge Q = 10^-9 C.
Calculate the magnitude of the electric field at r = 0.57 m. Calculate the magnitude of the electric field at r = 1.73 m.
If the potential on the outer surface of the membrane is +70.0 mV greater than that on the inside surface, how much charge resides on the outer surface?
What is the charge density of a uniform infinitesimally thin spherical shell shell of Radius R and total charge Q which is centered at the origin.
Under what circumstances will the drift speed of electrons be the same in both wires? Choose the answer that best fits.