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

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Q: The figure shows two uniformly charged spheres. (Figure 1) Figure 100 nC 60 cm 100 cm a 25 nC b 10…

A: Given Radius of the two spheres are given as d1=60 cm=0.60 m and d2=10 cm=0.10 m Distance between…

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.…

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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…

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

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

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Q: A small sphere with mass 1.90 g hangs by a thread between two very large parallel vertical plates…

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Q: A small sphere, weighing 8.5 g, is suspended by an insulating thread between two parallel vertical…

A: Given, the mass of the sphere is m=8.5×10-3kg the charge of the sphere is Q=8×10-6C The separation…

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: The electric field strength between two parallel conducting plates separated by 6.9 cm is 7.5 ×10¹…

A: Given: The separation between plates is 6.9 cm. The electric field is 7.5x104 V/m.

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

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

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Q: A 0.450 cm diameter plastic sphere, used in a static electricity demonstration, has a uniformly…

A: Given  Diameter of plastic sphere , d = 0.450 cm  Chage , q = 55.0 pC = 55×10-12 C   Let Potential =…

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: Two 3 cm x 5 cm plates that form a parallel-plate capacitor are charged to 80 nC. What is the…

A: potential difference V= 1.506 × 104Volt

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…

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

A: Given:-  An isolated conducting sphere has a radius R = 0.30 m and a charge of q=+40 μC Point A is…

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…

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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: An infinitely long cylinder with radius R= 3 cm has uniform charge density = +4 × 10-10 . If the…

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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 research Van de Graaff generator has a 3.40 m diameter metal sphere with a charge of 1.02 mC on…

A: Given data: Diameter, d = 3.4 m Charge Q = 1.02 mC r = ?? when V = 1 MV

Q: Location A is 1.90 m to the right of a point charge q. Location B lies on the same line and is 5.60…

A: Answer Given Distance between charge q and location A, rA = 1.90 m Distance between charge q and…

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…

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

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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…

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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: 4. Two parallel and very large metallic sheets produce a uniform electric field, Ë, in the space…

A: Electric field E = 7.0 × 103 N/C Potential difference ΔVo = 140 V

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…

Q: Three point charges are on three corners of a rectangle. The A width of the rectangle is x = 70.1 cm…

A: Given:  The magnitude of the charge is given as Q1 = 21.4 μC Q2 = -38.6 μC Q3 = 57.3 μC The width of…

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.