A thin plastic rod of length 2.8 m is rubbed all over with wool, and acquires a charge of 80 nC, distributed uniformly over its surface. Calculate the magnitude of the electric field due to the rod at a location 13 cm from the midpoint of the rod. Do the calculation two ways, first using the exact formula for a rod of any length, and second using the approximate formula for a long rod.

Q: A small sphere is suspended from a string in a uniform electric field shown by arrows, making an…

A: Given  Mass of sphere m=3×10-3 kg Charge on sphere q=8nC θ=35

Q: Two test charges are located in the x-y plane. If q -2.450 nC and is located at x = 0.00 m, y =…

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Q: Why must the test charge q in the definition of the electric field be vanishingly small?

A: In electrostatics, a charge produces the electric field around it and any other charge comes in the…

Q: Three identical charges (q=-5.0 µC) lie along a circle of radius 2.0 m at angles of 30°, 150°, and…

A: The net electric field at center is zero.

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: Question 1 +Q Charge +Q = +5.20 nC is uniformly distributed along the right half of a thin rod bent…

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Q: A 40- mC charge is positioned on the x axis at x = 4.0 cm. Where should a -60- mC charge be placed…

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Q: A charge of 27.1 pC is distributed uniformly on a spherical surface (r, = 2.0 cm), and a second…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: How much electric force (in N) exist between two electron separated by a distance of 5.0 x 10-15 m?…

A: Given Data:--The distance is r=5*10-15m-The charge on e- is q=1.6*10-19C

Q: Consider a small sphere of mass m=0.471 kg and charge q=-20.0 µC suspended by a light string as…

A: Draw the free-body diagram of the sphere.

Q: A uniformly charged wire is 2.58 m long and 0.15 mm in diameter. You measure the electric field 1.20…

A: Given that:- Electric field due charges wire=543kN/C

Q: A thick insulating cylindircal shell of inner radius a=2.5R and outer radius b=5.2R   has a uniform…

A: Given data: Inner radius a =2.5 R Outer radius b=5.2 R Magnitude of the electric field r =8.2 R

Q: There is a naturally occurring vertical electric field near the Earth's surface that points toward…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Four point charges are equally separated by 1.00 m in air as shown. If q,=3.0 nC, 42 93=2.0 nC, and…

A: Given :  Point charge                 q1 = 3.0 nCq2 = -4.0 nCq3 = 2.0 nCq4 = -5.0 nC…

Q: 7.20 nC of charge is uniformly distributed along a thin rod of length L = 2.20 cm as shown in the…

A: The below figure represents the direction of electric field at point P at a distance of 9.90cm from…

Q: What is the electric field 4.70 m from the center of the terminal of a Van de Graaff with a 3.10 mC…

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Q: Given that q = −2.00 µC and d = 11.0 cm, find the magnitude of the net electrostatic force exerted…

A: Given:

Q: Two large rectangular sheets of charge of side L are parallel to each other and separated by a…

A: for large enough sheets of charge, electric field is given by: E=σ2ε that is, it doesn't depend on…

Q: How much electric force (in N) exist between two electron separated by a distance of 5.0 x 1013 m?…

A: Given : r=5.0×10-15m                   q=1.6×10-19C    The coulombic force between two charges of…

Q: In the figure below, a small, nonconducting ball of mass m = 1.4 mg and charge q = 2.2 ✕ 10−8 C…

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Q: Two small metallic spheres, each of mass m = 0.35 g, are suspended as pendulums by light strings…

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Q: The two spherical shell has a charge of 91 = 0.30nC and q2 = 0.5nq. The radius of r1=7.5cm and r2 =…

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Q: A particle (mass = 5.0 g, charge = 40 mC) moves in a region of space where the electric field is…

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Q: Three point charges lie along a circle of radius r at angles of 30 o ,150 o , and 270 o as shown in…

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Q: 3.00 nC of charge is uniformly distributed along a thin rod of length L = 1.80 cm as shown in the…

A: The below figure represents the direction of electric field at point P at a distance of 20.8cm from…

Q: 150° 9 270° -2q Q What is the electric field at the center of the circle due to these point charges?…

A: (a) At the center of the circle, the x-components of the two q charges cancel out. Only the…

Q: How much electric force  (in N) exist between two electron separated by a distance of 5.0 x 10-15…

A: Given that, The distance between two electrons, d=5×10-15 m The electric force between two charges…

Q: 1.6. A uniformly charged insulating rod is bent into the shape of a semicirele of radius R = 5 cm.…

A: Analyze the following diagram. From the above diagram, it is evident that the electric field’s X…

Q: 5.10 nC of charge is uniformly distributed along a thin rod of length L = 2.00 cm as shown in the…

A: The expression for the electric field due to finite line charge is

Q: Under normal circumstances, the earth’s electric field outdoors near ground level is uniform, about…

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Q: Using the symmetry of the arrangement, determine the direction of the electric field at the center…

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Q: In the figure a small, nonconducting ball of mass m = 0.99 mg and charge q = 2.1 × 10-8 C…

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Q: Three identical charges (q = -4.6 uC) lie along a circle of radius 2.9 m at angles of 30', 150', and…

A: Electric field due to a negative charge is towards itself

Q: A uniform line of charge of length L4 lying between x=0 and x= L4is charged with Q os shown in the…

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Q: Consider three charges arranged in a triangle as shown. 8.6 nC -0.622 m- 2.4 nC 0.115 m -3.1 nC What…

A: SOlution: Given that q1 = 2.4 nCq2 = 8.6 nCq3 = -3.1nC

Q: The figure below is a section of a conducting rod of radius R1 = 1.30 mm and length L = 11.00 m…

A: (d) Let lambda be the linear charge density, qr be the charge on the rod, qis is the charge induced…

Q: A thick insulating cylindircal shell of inner radius a=2.8R and outer radius b=5.3R has a uniform…

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Q: The charge per unit length on the thin rod shown below is λ . What is the electric field at the…

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Q: In the figure a small, nonconducting ball of mass m = 1.1 mg and charge q = 1.9 x 108 C (distributed…

A: Given data *The given mass of the non-conducting ball is m = 1.1 mg = 1.1 × 10-3 g *The given charge…

Q: Two charges are located in the x-y plane. If q, = -2.90 nC and is located at (x = 0.00 m, y = 1.080…

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Q: Two charges are located in the x-y plane. If q1 = -3.50 nC and is located at (x = 0.00 m, y = 0.960…

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Q: A bowling ball of regulation diameter (22.0 cm) hasn’t yet been drilled for finger holes and is…

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Q: What is (Fnet 3)z, the x-component of the net force exerted by these two charges on a third charge…

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Q: Four charged rings placed as in the figure below. Given that all rings have the same charge 21.5 nC…

A: Given :- Four ring have a charge  Q=21.5 nCa=0.10 m  Find:- The electric field at point P , option…

Q: Find the tensition in the string where a postively charge ball hanging at an angle of 20° due to a…

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Q: In the figure a smallI, nonconducting ball of mass m = 0.92 mg and charge q = 2.0 x 108 C…

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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.