Positive charge Q is distributed evenly on y axis between y = 0 and y = a. A negative charge -Q is located at a distance x from the rod on the x-axis. Find (a) the electric field and (b) Potential at the point of the negative charge. Diagram attached
Using method of images, find the force of attraction between an external point charge +Q and a conducting sphere of potential V_0. Take the charge to be a distance D from the center of the sphere. What value of V_0 makes the force equal 0?
Consider a point charge +q at a distance d above an infinite grounded conducting plane. (a) Determine the charge density induced on the surface, then integrate to find the total surface charge. (b) Find the force that the point charge exerts on the conductor by considering the force on the induced surface charge densi
3. Suppose two charges, equal in size but opposite in sign, are arranged as shown. Draw arrows representing the direction of the electric field at points A, B, and C. At which of these points is the magnitude of the electric field the largest? 4. Four charges of equal magnitude are placed at the corners of a square, as shown
Light is send through the two-sheet polarizing system with unknown orientation of the polarizing axes (see attachment). If the ratio of the emerging intensity to the initial intensity is 0.7, is the light initially polarized or not? Prove your answer. Please state what equations you use (if any).
1. Suppose 4 equal positive charges +Q are arranged in a square as shown in the attached diagram. An "x" marks positions A, B, and C. Draw arrows showing the direction of the electric field at each of those points. (If the field strength is zero at a point, say so.) 2. Now we have 4 charges of equal magnitude, but 2 are posi
Using the attachment, please tell me whether I got the (A) - (E) parts correct. My answers are circled. And please show me how to do the surface charge density in parts (F) - (I). See attached file for full problem description.
Please help me with the following problem. Provide step by step calculations. Find the direction and magnitude of the net electrostatic force exerted on the (a) point charge q2 in the attached drawing. Let q = +2.4 micro C and d = 33 cm. (b) Find the direction and magnitude of the net electrostatic force exerted on the poin
Find the total electric charge of 1 kg of (a) electrons and (b) protons.
A system of 1525 particles, each of which is either an electron or a proton, has a net charge of -5.456 x 10^-17 C. (a) How many electrons are in this system? (b) What is the mass of this system?
When adhesive tape is pulled from a dispenser, the detached tape acquires a positive charge and the remaining tape in the dispenser acquires a negative charge. 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 electrons to the remaing
Please solve step-by-step as simply as possible. Questions: a) Find the potential energy of the system of 3 charges. b) What is the dipole moment of this dipole ____ given these 2 vectors. c) Now place answer b) in an electric field. d) What is this field ____ . e) What is the force on ____ . Please see the attached
Please solve step by step as simply as possible. The teacher gave this info out, but I can't make sense of it. I don't think it's even right - is it? See the attached file for diagrams. Questions: (a) what is the electric field ... (b) what is the field before and the field after A touches B (c) B touched to A, then pl
Please show all work and show all equations used and diagrams, etc. etc. so I understand completely please. 1) A particle with charge 5.5*10^-8C is fixed at the origin. 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. The change in PE of the two charge system is: 2)
1) 10 Coulombs of charge are placed on a spherical conducting shell. A particle with a -3C point charge is placed at the center of the cavity. The net charge in coulombs on the inner surface of the shell is what? 2) A 30 N/C uniform electric field points perpendicularly towards the left face of a large neutral conducting shee
1) A physics instructor in an antennae room charges an electrostatic generator to 25 microC, then carries it into the lecture hall. The net electric flux in N.m^2/C through the lecture hall walls is what? 2) A point particle with charge q is at the center of a Gaussian surface in the form of a cube. The electric flux through
Please show all work and diagrams plus equations used to solve problem. Thanks! Two point particles, with charges of q1 and q1 are placed a distance r apart. The electric field is zero at a point P between the particles on the line segment connecting them. We conclude that: (answer C - why) a) q1 and q2 must have the sa
Please show all work and diagrams plus equations used to solve problem. Thanks! 1) Two identical conducting spheres A and B carry equal charge. They are separated by a distance much larger than their diameters. A third identical conducting sphere C is uncharged. SPhere C is first touched to A, then to B, and finally remov
Please give step by step solutions without skipping details to solve and give the answers please! QUESTION GIVEN: 1) In the figure, a central particle of charge -q is surrounded by two circular rings of charged particles. What are the magnitude and direction of the net electrostatic force on the central particle due to the
Four equal charges of +3.0 x 10^-7 C are placed on the corners of one face of a cube of edge length 10.0 cm. A charge of -3.0 x 10^-7 C is placed at the center of the cube. What are the magnitude and the direction of the force on the charge at the center of the cube?
Two small charged pieces of amber experience a force when they are separted by a distance R. If the charge on each of the bodies is tripled and the separation between them is halved, what is the ratio of the new force to the original force between them?
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? What is the electric potential at the midpoint of one edge?
The fluid in a lead storage battery for a car has a specific gravity of 1.30, when it's fully charged and 1.15 when it's discharged. By how much does the density of the fluid change when the battery is completely run down?
A spherical shell with inner radius a and outer radius b has a total charge Q distributed uniformly throughout its volume with a charge density p. Calculate the resulting electric field for r < a, a < r < b, and b < r.
Four point charges with magnitude 5.0 uC are placed at the corners of a square that is 30 cm on a side. Two charges, diagonally opposites each other, are positive, and the other two are negative. What are the magnitude and the direction of the force on one of the charges?
If a positive charge and a negative charge held near each other are released, what happens to the forces on each particle as they move?
There are two charged particles that repel each other with a force F. If the charge of one of the particles is doubled and the distance between them is also doubled, then what would the force be and why?
The Current Through a Lightbulb in a flashlight is 0.750 A. a) How many electrons entered the filament every second? b) How many electrons exited the filament every second? c) Where do the electrons entering the filament come from? Where do they go after exiting?
A battery supplies a 0.015 A current to a small radio. How long should the radio stay on so that 4.80 C passes through each of the following parts of the circuit: A. the battery B. The Radio c. The connecting wires
1. Simplify: 8[a - b(3- 4a)] - 6a[2-a(3-b)] 2. Simplify: (6x2 - 3y + 2z2) + (7y + 8x2) + (3y2 - 4x) 3. Subtract 6x2 - 4y2 + 8xy from 9x2 + xy - 3y2. 4. Simplify 2 [(4x + 6) - (x - 6) + (4x - 8)/2] 5. Simplify the expression: 8 - [3x + 9y - {2x - y} + 8x + 5y] 6. Simplify 3(6x - 5) - [3(1 - 8x) + 5] 7. If P = 3y + 7x