A charge is located at the center of sphere A (radius RA = 0.0010 m), which is in the center of sphere B (radius RB = 0.0012 m). Spheres A and B are both equipotential surfaces. What is the ratio VA/VB of the potentials of these surfaces?     a 2.4 b 0.42 c 1.2 d 0.83 e 1.4

Q: A non-conducting disk of radius R = 30 cm is uniformly charged and the electric field is measured to…

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Q: Two parallel plates are held at a potential of + 200 V and + 155 V. If the plates have area of 44…

A: Given : V1=200V              V2=155V              d=7.3×10-3m              A=44cm2   The relation…

Q: A charge q is distributed uniformly over the surface of a thin circular insulating disc of radius a.…

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Q: Find the potential difference VAB if a point charge is to be moved from B(0,0,2) to A(0,0,3) in an…

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Q: and dshown in the figure: i) Vc−Vb; ii) Vd−Vc ; iii) Vd−Vb; iv) Vd−Va.

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Q: A conducting sphere 45 cm in diameter çarries an excess of charge, and no other charges are present.…

A: Given information: The diameter of the sphere (d) = 45 cm The potential measured at the surface of…

Q: A solid conducting sphere of radius 3.0 cm has a charge of 30 nC distributed uniformly over its…

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Q: An electron moving parallel to the x axis has an initial speed of 3.70 × 10b m/s at the origin. Its…

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Q: The electric potential at a point is space is given by V = 23x - 27y + 11y2 + 72. What is the…

A: Given data: Electric potential at point V =23x-27y+11y2+72 r =(3.0,2.0,1.0)

Q: O Two positive point charges +4.00 µC and +2.00 µC are placed at the opposite comers of a rectangle…

A: a)

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

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Q: The naturally occurring charge on the ground on a fine day out in the open country is -1.00 nC/m².…

A: Electric field, E=σ2ε0 Electric potential, V=σd2ε0

Q: Two point charges of +2.0 µC and -6.0 µC are located on the x-axis at x = -1.0 cm and x = +2.0 cm…

A: first charge = 2 μC second charge = -6 μC third charge = 3 μC the position of first charge on x axis…

Q: solid conductor sphere (radius = 5.0cm) has a charge of 0.25 nC uniformly distributed on its…

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Q: Consider a uniformly-charged ring (charge distribution=2)shown here. The potential at point P if P…

A: Consider a small element on the ring having length 'dl' and charge 'dq' and charge density = λ A…

Q: A uniform electric field, with a magnitude of 500 V/m, is directed parallel to the +x axis. If the…

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Q: Find the components of the electric field at the point (x, y, z) = (3,4,5) of space if the electric…

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Q: Two identical particles, each having charge + q, are located along the y axis and separated by a…

A: Given: there are two positively charged and one negatively charged particle with the same magnitude…

Q: Given two particles with Q = 2.40-μC charges as shown in the figure below and a particle with charge…

A: a) Draw the free-body diagram of the system.

Q: A uniformly charged rod (length = 2.0 m, charge per unit length = 15.0 nC/m) is bent to form a…

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Q: The electric potential at points in an xy plane is given by V = (2.4 V/m²) x² - (2.9 V/m²) y². What…

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Q: When the potential difference between the plates of a polyester-filled parallel plate capacitor is…

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Q: A uniformly charged insulating rod of length 6TT cm is bent into the shape of a semicircle. The rod…

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Q: In the figure, three thin plastic rods form quarter-circles with a common center of curvature at the…

A: 30375 V

Q: 1. If the electric potential in space is given by the function V(x, y) = [0.5x³3 – 4y²] Volts, what…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A parallel-plate capacitor under the key of a keyboard has circular plates that are separated by…

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Q: In the coordinate system shown in the figure, particle 1 with charge q1 = 4.5 μC is located at…

A: Given:

Q: Two parallel plates are held at a potential of + 200 V and + 155 V. If the plates have area of 44…

A: Given : V1 = +200 V  V2 = +155 V A = 44 cm2 = 44 x 10-4 m2 dr = 7.3 mm = 7.3 x 10-3 m

Q: Two large parallel metal plates are 9.5 cm apart and have charges of equal magnitudes but opposite…

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Q: A plastic rod has been bent into a circle of radius R= 6.00 cm. It has a charge Q=+100.0 pC…

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Q: Two very small +3.00-uC charges are at the ends of a meter stick. Find the electric potential…

A: Given data:  Two very small charges Placed at ends of the meter stick  q = +3.00 μC = +3.00×10-6 C k…

Q: A solid metallic sphere has a charge of -2.00 nC and the surface is being held at a potential of…

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Q: In the region shown in the image, there is a uniform electric field of magnitude 26.1 N/C which…

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Q: A small spherical object carries a charge of 8.00 nC. At what distance from the center of the object…

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Q: A charge Q = 2.00 10-8 C is surrounded by an equipotential surface with a surface area of 1.23 m2.…

A: Given information:  The magnitude of the charge (q) = 2.00 ×10-8 C The surface area of the…

Q: A charge of uniform density (56 nC/m) is distributed along the x axis from the origin to the point x…

A: Given information: Here, λ is the linear charge density.

Q: The potential in a region between x= 0 and x = 6.00 m is V = a + bx, where a Determine (a) the…

A: Given Electric potential at x is. V(x) = 10 - 7x  volts. And  E = dV/dX

Q: An infinitely long cylinder with radius R = 3 cm has uniform charge density do = +4 × 10 at the…

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Q: A metal sphere with radius 1.00 cm is supported on an insulating stand at the center of a hollow,…

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Q: The electric potential at x = 3.00 m is 120 V, and the electric potential at x = 5.00 m is 190 V.…

A: Electric Potential at x1=3 m is V1=120 V and at x2=5 m is V2=190 V Relation between x component of…

Q: A plastic rod has been bent into a circle of radius R= 6.00 cm. It has a charge Q=+100.0 pC…

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Q: An electron starts from rest 5.00 cm from the center of a uniformly charged insulating sphere of…

A: Potential energy difference of the electron between r=5 and r=4 will be equal to the Kinetic Energy…

Q: An electric field Ë = A(3x²y°z*i +2x³yz²j+2x°y°zk) exists in space. If electric potential at (2, 2,…

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Q: A parallel plate capacitor is constructed with plates of area 0.0530 m² and separation 0.910 mm.…

A: Write the given values with the suitable variables. A=0.053 m2d=0.91 =0.91×10-3 mV=50 V Here, A, d,…

Q: A solid conducting sphere of radius R = 5 cm has a charge of 0.25 nC distributed uniformly over its…

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Q: An electron moving parallel to the x axis has an initial speed of 5.06 x 10° m/s at the origin. Its…

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Q: When an electron moves from A to B along an electric field line in the figure, the electric field…

A: Work done by Electric field on moving electron from A to B  W = 3.67 × 10-19 J a) To find  VB - VA…

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.