A research Van de Graaff generator has a 2.20 m diameter metal sphere with a charge of 48.0 µC on it. a)What is the potential (in kV) near its surface? b) At what distance from its center (in m) is the potential 100 kV? and c) An oxygen atom with three missing electrons is released near the Van de Graaff generator. What is its kinetic energy in keV at this distance

Q: Find an expression for Electric Potential Differences formed by a Quarter of a Charged Disk at the…

A:

Q: ) What is the charge on the surface of a conducting sphere of radius 0.10 m whose potential is 450 V…

A:

Q: A spherical conductor with a 0.123 m radius is initially uncharged. How many electrons should be…

A:

Q: Problem 6: A rod of length L = 0.15 m is placed along the x-axis with its center at the origin. The…

A: Length of rod =0.15 m The rod has a non uniform linear charge density

Q: A parallel plate capacitor of capacitance Co has plates of area A with separation d between them.…

A:

Q: The two parallel plates shown below create a uniform electric field. A proton is travelling due east…

A: The potential difference V=V1-V2=825-125=700 Volts

Q: An object with a charge -9 µC is placed in a region of uniform electric field. It is released from…

A:

Q: A research Van de Graaff generator has a 2.00-m- diameter metal sphere with a charge of 5.00 mC on…

A: diameter, D = 2 m  radius, r = 1m  charge, q = 5 mC = 0.005 C

Q: B d A

A: Surface charge density on disc σ = charge/area     =- Q2 /πR22

Q: The hydrogen atom consists of one electron and oneproton. In the Bohr model of the hydrogen atom,…

A: Given: The radius of orbit is 0.592x10-10 m.

Q: A charge +q is located at the origin. A charge −2q is at 3.36 m on the x-axis. (Assume the…

A:

Q: A rod of length L = 0.15 m is placed along the x-axis with its center at the origin. The rod has a…

A:

Q: An isolated conducting sphere has radius R = 0.30 m and a charge of +40 µC. Point A is at a distance…

A:

Q: A 3.4 µC and a -2.6 µC charge are placed 2.5 cm apart. At what points along the line joining them is…

A: (a) The electric field due to the positive charge is away from the charge and due to negative charge…

Q: Question # 5 a certain region. The potential is constant along the y-direction. The following plot…

A: The electric potential along x axis is shown in the graphical form. The potential is constant along…

Q: A charge of 40 pC is distributed on an isolated spherical conductor that has a 4.0-cm radius. Point…

A: Given: The charge that is distributed on the isolated spherical conductor: q = 40 pC; The radius of…

Q: A 10.0 uF parallel-plate capacitor with circular plates is connected to a 12.0 V battery. (a) What…

A: Given quantities: original capacitance (C0) = 10 micro Farad voltage source (V) = 12.0 V a) Let, the…

Q: A plastic disk of radius R = 34.1 cm is charged on one side with a uniform surface charge density…

A:

Q: Two point charges, q1 = charge with q3 = 4.0 µC and mass m = 4.0 g travels towards the two charges…

A:

Q: In a semiclassical model of the hydrogen atom, the electron orbits the proton at a distance of 0.053…

A: Given,  Electron orbits the proton at a distance of 0.053 nm in hydrogen atom. To find . A. The…

Q: Question 13. Two parallel plates are 3.00 cm apart and there is an electric potential difference of…

A: 13) distance between two parallel plates (d) = 3 cm d = 0.03 m potential difference  = 44 volts

Q: A spherical shell on the top of a small electrostatic generator in air has a charge of 120 μC. What…

A: Given: Charge on a spherical shell Distance of point from sphere d = 120 mm = 0.12 m.

Q: A8-cm long wire carrying a uniformly distributed 12-uC charge is bent into a semicirdle. What is the…

A: Electric potential is the work done in moving a unit positive charge from infinity to the present…

Q: In a Van de Graff type generator a spheri- - cal metal shell is to be a 15 x 10° V electrode. The…

A:

Q: Two parallel conducting plates are separated by a distance  d = 11.4 cm. Plate B, which is at a…

A:

Q: Two hollow metal spheres are mounted on insulating stands. Sphere I has a radius rl. and sphere 2…

A: Given: Radius of sphere 1, = r1  Radius of sphere 2, r2 = 2r1 Electric potential on sphere 1 = 180 V…

Q: Two conducting spheres with diameters of 0.300 m and 1.00 m are separated by a distance that is…

A:

Q: a) What is the potential difference VAB between two points situated at dA= 7 cm and at dg=11 cm from…

A: Given Point charge = 0.75 × 10-6 C a. dA = 7cm dB = 11 cm We have to find VAB b. How far from the…

Q: A 197-V potential difference is applied across an air-filled parallel plate capacitor with a plate…

A: Given that Potential difference (∆V)=197 V. Seperation (d)=2.62 mm Capacitance (C) =38.1 pF

Q: A 10.0 mF parallel-plate capacitor with circular plates is connected to a 12.0 V battery. (a) What…

A: Given that,The capacitor's capacitance (C)=10.0mF=10×10-3 FThe potential difference between the…

Q: The electric potential increases from 99 V to 700 V from the bottom plate to the top plate of a…

A:

Q: Q3/ A total charge of 60/3 nC is uniformally distributed in the form of a circular disk of radius 2…

A: The potential at a point due to a charge is the work done in bringing a unit positive test charge…

Q: charged with q. The radii of inner and outer surfaces are R and R2 respectively. There is a point…

A:

Q: Problem 1: A spherical conductor is known to have a radius and a total charge of 10 cm and 20UC. If…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: The inner radius of a 20 m long cable with an inner radius of 1.5 mm and a charge amount of +3 °C is…

A:

Q: A spherical conductor whose center is at point O and radius R = 20 cm, is given a charge Q = + 100…

A: Answer:-  Given  Charge (Q) = + 100 uC = 100 × 10-6 C = 10-4 C  Radius (R) = 20 cm = 0.2 m  Coulomb…

Q: potential of 9 V and the upper plate is at a potential of 0 V, what is the magnitude of the electric…

A: A)         Given that                        The thickness of the dielectric material is (r) = 4.5cm…

Q: Given two particles with Q = 2.90-μC charges as shown in the figure below and a particle with charge…

A: In this question we have to find the change in electric potential energy. Please give positive…

Q: Two widely separated charged metal spheres A and B have the same electrical surface potential. The…

A:

Q: What is the net electric potential at the center of the square if d=5.17 cm due to the particle…

A: Given Charges are fixed as shown in the figure d = 5.17 cm= 0.0517 m charge = q = 17.8 nC We have to…

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.