Consider the surface charge distributed along the disk with an inner radius of 1m, an outer radius of 2m, and a charge density of 3[μC\m2] shown in the figure. Since the medium is empty space, (a) Find the total charge on the disk. (b) If a 2[μC] load is placed at point P1 10m above the axis of the load, find the force acting on this load.

Q: A charged nonconducting rod has a length L of 2.0 m and a cross-sectional area A of 8.0 cm?; it is…

A: Given: Length of rod, l = 2 m Area of rod, A = 8 cm2 = 8 X 10-4 m2 Volume charge density, pu = -10…

Q: A ring of charge is centered at the origin in the vertical direction. The ring has a charge density…

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Q: Positive charge is spread uniformly over the surface of a spherical balloon 70 cm in radius,…

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Q: Two metal spheres, one of radius R and the other of radius 2R, both have same surface charge density…

A: Total charge on sphere 1: Q1=σ(4πR2)Q1=4πR2σ Similarly, total charge on sphere 2:…

Q: A small mass charged sphere ( q= 3 µC) is attached by an insulating string to the surface of a very…

A: Recall In equilibrium ∑Fx=0 FE=EqWhere E=σ/2ε0

Q: L lies along the x-axis of t

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Q: A -->X In the figure we see a rod of length LA = 49 cm carries a charge QA = 57 nC and a circular…

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Q: A solid insulating sphere of radius 0.06 cm carries a total charge of 30 nC. Concentric with this…

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Q: A spherical conductor of radius 0.330 m has a spherical cavity of radius 0.120 m at its center. The…

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Q: A line of positive charge is formed into a semicircle of radius R = 25 cm, as shown in figure. The…

A: The radius of the semicircle is R = 25 cm. Assume an infinitely small length of the wire as dl which…

Q: A nonuniform, but spherically symmetric, insulating sphere of charge has a charge density ρ(r)ρ(r)…

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Q: A conducting rod carrying a total charge of +8.00 μC is bent into a semicircle of radius R = 67.0…

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Q: Two nested spheres are separated by an air gap, as shown below. The inner sphere is a solid non-…

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Q: A small mass charged sphere ( q=D 3 µC) is attached by an insulating string to the surface of a very…

A: Charge on Sphere=q=3x10-6 C Surface Charge Density=σ=54.2x10-6 C ε∘=8.8542x10-12 Fm-1

Q: An infinitely long line of uniform charge density +à is given on the y-axis. On the x- axis, there…

A: Given: An infinitely long line if uniform charge density is given on the y axis . on the x axis ,…

Q: A line of positive charge is formed into a semicircle of radius R as shown. The charge per unit…

A: Given information: Here, λ is the line charge density, Q and QP are the total line charge and test…

Q: A charge -3.0nC is placed at the origin of an x-y coordinate system, and a charge 2.0nC is placed on…

A: The electric force between the two charges is  F = K q q'r2 where, q and q' is the charge and r is…

Q: Consider the surface charge distributed along the disk with inner radius LaTeX: 1m1m, outer radius…

A: Given data: The inner radius is r1=1 m. The outer radius is r2=2 m. The charge density is λ=3…

Q: A charge -300e is uniformly distributed along a circular arc of radius 4.00 cm, which subtends an…

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Q: small, nonconducting ball of mass m = 1.2 mg and charge q = 1.5 × 10-8 C (distributed uniformly…

A: Mass of the ball , m = 1.2 mg = 1.2 x 10-6 kg. charge , q = 1.5 x 10-8 C  Angle made with the…

Q: A solid sphere of radius a is centered at the origin. It is made of an insulating material and…

A: Given, Q1 = +10 μCQ2 = -5 μCa = 5 cmb = 15 cmc = 20 cmFind electric field at x = 30 cm

Q: A small mass charged sphere (q= 3 µC ) is attached by an insulating string to the surface of a very…

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Q: For the situation described in the previous question (Question 3), which of the following statements…

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Q: The figure shows a very long wire of uniform charge density A= 18.75 µC/m placed on the x axis. Find…

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Q: Two spheres with uniform surface charge density, one with aradius of 7.8 cm and the other with a…

A: Given data: Radius of one sphere, r1=7.8 cm = 0.078 m Radius of another sphere, r2=4.1 cm = 0.041 m…

Q: A charge +q is located at the origin, while an identical charge is located on the x axis at x =…

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Q: uniform electric field

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Q: an insulating rod is bent into a semicircle of radius R. A charge -Q is uniformly distributed along…

A: The electric field is defined as the electric force per unit charge. The electric field due to a…

Q: A space charge of density p is uniformly distributed in an infinitely long cylinder of radius R.…

A: taking radius r  inside the cylinder and Radius r'  outside the cylinder. By using Gauss Law inside…

Q: A charge q is uniformly distributed over a uniform rod of length L and a point charge q' is placed…

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Q: x=0 x=+L non-conducting rod is along the x-axis between x=0 dx=+L. The linear charge density of the…

A: electric field =kq/r2

Q: A uniform line of charge with length 20.0 cm is along the r-axis, with its midpoint at z = 0. Its…

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Q: A charge +q is located at the origin, while an identical charge is located on the x axis at x =…

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Q: A line of positive charge is formed into a semicircle of radius R = 25 cm, as shown in figure. The…

A: The radius of the semicircle is r= 25cm. The linear charge density distribution is given, the total…

Q: If a human nerve cell has a net charge of -8.65 pC, what are the magnitude and direction (inward or…

A: From Gauss’s law, net flux through the cell boundary is ϕ=Qenclε0=-8.65×10-12 C8.85×10-12 F/m=-0.977…

Q: A charge of -2.95 nC is placed at the origin of an xy-coordinate system, and a charge of 2.05 nC is…

A: Consider the first, second and third charges be q1, q2, and q3.   The given values are,

Q: A charge of -3.0 µC is located at the origin; a charge of 4.0 µC is located at x =0.2 m, y=0; a…

A: (a) Let, F21=force on Q2 due to Q1 F21=kQ1Q2r2F21=9×109-3×10-64×10-60.22F21=2.7 N Let, F23=force on…

Q: Find the charge density (in nC/m2) on the surface of the right face of the plate. (b)Find the charge…

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Q: Three charged particles are located at the corners of an equilateral triangle as shown in the figure…

A: Given:

Q: A small mass charged sphere (q= 3 uC) is attached by an insulating string to the surface of a very…

A: Write a given value of this question. q=3μC=3×10-6Cσ=62.9μC=62.9×10-6Cθ=30∘ε∘=8.85×1012Fm-1

Q: Assume that a honeybee is a sphere of diameter 1.000 cm with a charge of 45.0 pC uniformly spread…

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Q: In the figure a small, nonconducting ball of mass m = 1.1 mg and charge q = 2.4 × 10-8 C…

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Q: The figure shows a very long wire of uniform charge density A= 18.75 µC/m placed on the x axis. Find…

A: When the electric charge is placed in an electric field then the force acting on the charge can be…

Q: Eight identical point charges of Q C each are located at the corners of a cube of side length a,…

A: At every corner we have a charge Q C

Q: A solid sphere of radius a is centered at the origin. It is made of an insulating material and…

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Q: A rod of length ( lying along y axis carries a positive charge q and the charge distribution is…

A: Here we first calculate E field due to Vertical rod at any point P(x,0) on horizontal rod. Now we…

Q: A solid, insulating sphere of radius a has a uniform charge density of p and a total charge of Q.…

A: Here charge density given as ρ. 1 ) Total charge bounded in insulating sphere      Q = charge…

Q: Point charges of 7.00 nC are situated at each of three corners of a square whose side is 0.450 m.…

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Q: The figure shows a very long wire of uniform charge density λ= 18.75 µC/m placed on the x axis. Find…

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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.