The outer sphere of two concentric conducting spheres ofradii S cm and 11cm is grounded. Charge q=5rC is placed on the inner sphere. The outer conductor then contracts from radius 3 cm. Calculate the work done by the electric force.

Q: A dielectric material with κ = 2.5 is placed between the plates of a parallel plate capacitor. If…

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Q: A uniform line of charge of length 3L/2 lying between x - 0 and x - 3L/2 is charged with Q as shown…

A: Given that the charge and limits and also given the figure. Then We have to determine the value of…

Q: Calculate the magnitude (in N/C) of the electric field 2.30 m from a point charge of 3.50 mC (such…

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Q: A block having mass m and charge +3Q is connected to a spring having constant k epring: The block…

A: Mass of the block is m and charge on it is +3Q. The system is immersed in a uniform electric field…

Q: How much work is required to assemble eight identical charged particles, each of magnitude q, at the…

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

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Q: A particle (charge = 2.1 μC) is released from rest at a point x = 10.1 cm. If a 42.3-μC charge is…

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Q: Two large parallel plates are placed horizontally with respect to each other and are then connected…

A: Given, The two plates are connected by a battery with potential 100 V Distance between the plates is…

Q: A 5.0 C Cchairge is 1o m From a small test charge. (a) What is the direction of the electric field ?…

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Q: Two point charges +Q and +4Q are placed at a distance ‘a’ apart on a horizontal plane. Where should…

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Q: A very long insulating cylindrical shell of radius 6.00 cm carries charge of linear density 8.50…

A: The radius of the very long insulating cylindrical shell, R=6.00 cm=6.00×10-2 m   The charge of…

Q: There are point loads Q1= 4, Q2=9 and Q3=4 at points A(-7,0), O(0,0) and B (4,0) in the OXY plane,…

A: Magnitude of point charges are, Q1=4Q2=9Q3=4

Q: How much energy is stored by the electric field between two square plates, 4.7 cm on a side,…

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Q: Calculate the strength and direction of the electric field E due to a point charge of 2.00 nC…

A: Given that a point charge of 2.00 nC at a distance of 5.00 mm from the charge.

Q: If the charge A is positive, B and C are negative and all have equal magnitudes of 4 nC. If they are…

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Q: A particle (charge = 6.5 μC) is released from rest at a point x = 5.2 cm. If a 29.5-μC charge is…

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Q: If -41 = 2 = 87 nC then, Find the Electric dipole moment. x component of the dipole moment Give your…

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Q: Given the electric field E» ê 2 (vVIm) tind the electric potentiel of point A with respect to point…

A: Given that:- Position of point A=+2m And position of point B=-4m

Q: x X x

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Q: How much work does it take to move an electron 7.0 m at an angle of 30.0° to the x-axis, in the…

A: Distance moved by electron = 7m Angle with x axis = 30.0o Electric field, E = 5.0 N/C

Q: As in the previous question, a non-conducting sphere of radius R = 5.17 m has positive charge 0.0565…

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Q: A solid conducting sphere of radius R= 15 cm has a total charge of I mC. The work done (in mu) by an…

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Q: A small object of mass 60mg, is observed to undergo an acceleration of magnitude 2.3 m/s^2. When it…

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Q: Two large parallel plates are placed horizontally with respect to each other and are then connected…

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Q: In the drawing provided rank the electric field magnitude at points A, B and C from weak to strong.…

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Q: Give a plausible argument as to why the electric field outside an infinite charged sheet is…

A: In an infinite charged sheet the electric charges are distributed in a uniform manner. This means…

Q: Compute for the work done, in millijoules, in moving a 4-nC charge from A(4, -2, -4) m to B(3, -1,…

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Q: A small bead with a positive charge q is free to slide on a horizontal wire of length 4.0 cm. At the…

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Q: Starting from Eq. 24-30, derive an expression for the electric field due to a dipole at a point on…

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Q: Three charges are situated at corners of a rectangle as in Fig- ure P16.13. How much work must an…

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Q: A particle with a charge of 5.0 EXP-9 C moves from point a to point b in thesame direction as the…

A: 2) The charge on the particle is q=5×10-9 C The magnitude of the electric field is E=3×102 N/C So…

Q: An electron is projected with an initial speed vi = 3.2 * 105 m/s directly toward a very distant…

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Q: The potential difference between the accelerating plates of a TV set is about 25 kV. If the distance…

A: Given Potential difference V = 25 kV  = 25 × 103 V  Distance d = 1.5 cm = 1.5 × 10-2 m

Q: An arc subtends an angle a at the center. If radius of circle is R and the arc has uniform charge…

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Q: A particle (charge = 6.1 μC) is released from rest at a point x = 19.3 cm. If a 78.1-μC charge is…

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Q: A parallel-plate capacitor is constructed of two square plates, size L × L, separated by distance d.…

A: Given data *The plates are separated by a distance is d *The plates are given charge is ±Q The…

Q: If you have two conducting plates where the voltage is V=0volt at z=0 and V=75volt at z=d, and…

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Q: An old-fashioned computer monitor accelerates electrons anddirects them to the screen in order to…

A: The expression for the electric field is written as, Here, d and V represent the distance between…

Q: Consider two charges +q and +3q. There original distance is d. How much work is needed to bring +3q…

A: Given two charge separated by d q and 3q

Q: The dipole moment in a 600 N/C electric field is initially perpendicular to the field, but it…

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Q: What is the work that has to be done to move four identical charged particles Q=1 nC from infinity…

A: Electrostatic energy is the amount of work done to bring a test positive charge from infinity to a…

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.