Points A and B have electric potentials of 332 V and 149 V,respectively. When an electron released from rest at point A arrivesat point C, its kinetic energy is KA. When the electron is releasedfrom rest at point B, however, its kinetic energy when it reachespoint C is KB = 2KA. What are (a) the electric potential at point Cand (b) the kinetic energyKA?

Q: A conducting sphere of radius R carries a net positive charge Q, uniformly distributed over the…

A: The distance at which the electric potential is required is given by r=R4

Q: Consider a solid sphere of radius R = 0.4 m that is uniformly charged with ρ = -15 μC/m3. What is…

A: Given data: A solid sphere is given. The radius of the sphere is, R= 0.4 m The volume charge density…

Q: A point charge of +0.80 μC is located at the origin, and a second point charge of −4 μC is at x = 40…

A: Given charges are  Let x is a point from origin where the total potential is zero. Potential due…

Q: Four charges of equal magnitude q = 2.05 uC are situated as shown in the diagram below. If d = 0.84…

A: The electric potential at A due to charge at left can be written as,

Q: uniform electric field of 250 V/m points in the +x direction. If the electric potential at x=2.0 m…

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Q: Consider two positive charges located on the y-axis. let Q= 4.0μC, and a= 0.07 m. Find the electric…

A: Electric potential due to a point charge at a distance a is defined as  V=kqr Here V is potential, k…

Q: Three points A, B and C are a straight line, with the electric potential at A is 320V and at C is…

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Q: A charge of 10 nC is distributed uniformly along the x axis from x = -2 m to x = +3 m. Which of the…

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Q: The figure shows a charge +q and another charge -q fixed at points A and B separated by adistance of…

A: The formula for the potential is given by  V =k qr

Q: Consider the electric potential $(z, y, 2) = Vo a(1/m) - ry(V/m2)+ ay:(V/m) It is given that the…

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Q: Two charges, q1 = −20 nC and q2 = 28.0 nC, are separated by a distance d = 2.50 cm as shown in the…

A: The electric potential due to a point charge q at a distance r from the charge is given by,

Q: The Electric Potential is 160 V at xı= 0.15 m due to a charge. What is the Electric Potential at xz=…

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Q: A semi-circular ring of radius R = 1.00 m carries a charge Q = 2.00 nC that is uniformly…

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Q: The three charges in the figure below are at the vertices of an isosceles triangle. Let q = 8.00 nC…

A: Given data The magnitude of the charge is given as q = 8 nC. The distance between the negative two…

Q: A stationary proton is moved from point A, where the potential is 450V, t point B, where the…

A: Given data: The potential at point A is, VA= 450 V The potential at point B is, VB= 125 V The charge…

Q: The two charges in the figure below are separated by d = 2.50 cm.  (Let q1 = −17.5 nC and q2 = 26.0…

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Q: When a charge of 3 C is moved from infinity to a point X in an electric field, the work done is 15…

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Q: Four particles are positioned on the rim of a circle. The charges on the particles are +0.500 µC,…

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Q: An electron moving parallel to the x axis has an initial speed of 3.70 x 106 m/s at the origin. Its…

A: Given: Initial speed of electron, u=3.70 x106 m/s Final speed og electron, v=1.40 x 105 m / s…

Q: A charge moves a distance of 2.0cm in the direction of a uniform electric field whose magnitude is…

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Q: A charge of 1.50 * 10-8 C lies on an isolated metal sphere of radius 16.0 cm.With V = 0 at infinity,…

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Q: An electron is moved from point A, where the electric potential is VA = −126 V, to point B, where…

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Q: Álong the x-axis, the potential is given by: V(x) = 2.16 - 0.251x - 0.137x where x is in meters, and…

A: The electric field is the negative gradient of electric potential. The electric field is given by,…

Q: A point charge has a charge of 2.50 X 10-11 C. At what distance from the point charge is the…

A: The electric potential 'V' at any distance 'r' from a point charge 'q' is  V=14πε0qrwhere…

Q: Over certain region of space the electric potential is V = 15x – 3xty + 12yz. Find the expression…

A: Given  V = 15x- 3x²y +12yz²   Point =(1,0,-2)  Now electric field is given as

Q: Consider two points in an electric field. The potential at P1 is V1= -30V and the potential at P2=…

A: given quantities: Potential at P1 = V1 = - 30 V potential at P2 = V2 = 150 V charge(q) = - 4.7 micro…

Q: "In a certain region, the electric potential due to a charge distribution is given by the equation…

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Q: The electric potential V at any point O (x, y, z all in metres) in space is given by V = 4x² volt.…

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Q: A 15 nC charged particle moves from point A, where the electric potential is 300 V, to point B,…

A: Potential energy of a charge is given as: U=q∇V where U is the potential energy q is the charge ∇V…

Q: A hollow metal sphere has a radius of 5.00 cm. If an excess charge of 50.0 uc resides on the sphere,…

A: Solution:The radius of the sphere is R = 5cm = 0.05m.We have to find out the electric potential 10…

Q: An electron is projected vertically with an initial velocity Vo = 107 m/s from the negative p…

A: Given:- The  initial velocity v = 107 m/s  The potential difference between the positive and the…

Q: An alpha particle, which has charge 3.20 ✕ 10−19 C, is moved from point A, where the electric…

A: Given data: Charge (q) = 3.20 × 10-19 C Potential at point A (VA) = 2.30 × 103 J/C Potential at…

Q: A +2.4 μC charge is at (-1.3 cm, 0) and a -3.5 μC charge is at (+5.4 cm, 0).  Where along the x-axis…

A: the sum of the potential is zero at a distance of x from the positve chare,the distance between two…

Q: An electron start at rest at a spot where the electric potential is 0 V.  What will be its speed…

A: Given, Potential difference changes from 0V to 1000V  So, Charge on electron = 1.6 * 10-19 Coulomb

Q: A Na+ ion moves from inside a cell, where the electric potential is -70 mV, to outside the cell,…

A: Given quantities: Charge on the ion (q) = + e electric potential inside the cell (V1) = - 70 mV = -…

Q: A plastic rod has been bent into a circle of radius R = 8.88 cm. It has a charge Q₁ = +8.25 pC…

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Q: A particle of mass m=1.2x10-5 kg and charge q=-5.20x10-5 C has a speed of 5.00 m/s at point A. As…

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Q: Under typical atmospheric conditions, there is an electric field near the earth’s surface, directed…

A: (given) The magnitude of electric field near the Earth's surface = 100 V/m Distance observe at point…

Q: A point charged has a charge of 8.00 x 10^-11 C at what distance from the point charge is the…

A: electric potential (V) die to point charge q at a distance x from the charge is given by V  V = kq/x…

Q: A small particle has charge -4.30 µC and mass 1.10x10-4 kg. It moves from point A, where the…

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.