A small piece of dust has an excess of 200 electrons. A second small piece of dust has a deficit of 250 electrons. Do these two pieces repel or attract? If these two dust pieces are brought together to make a single, larger dust piece, what is its net charge? Is it positive, negative, or neutral?

Q: Two small spheres spaced 20.0 centimeters apart have equal charge. How many excess electrons must…

A: Given:-  Two small spheres spaced 20.0 centimeters apart have equal charge. the force of repulsion…

Q: A particle with a charge of 4.0 µC has a mass of 5.0 × 10-3 kg. What electric field directed upward…

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Q: Two objects charged with an equal amount of charge interact with each other with a force of 3.62…

A: Given data:  Two objects have same amount of charge q1 = q2 = q Force (F) = 3.62 N Distance (r) =…

Q: Three charges are placed on three corners of a square, as shown in the figure. Each side of the…

A: Draw the diagram of the arrangement of the charges.

Q: Ball #1 and Ball #2 are both the same size. Ball #1 has a charge of +6 e (e is the fundamental…

A: Given, electron of ball #1 = +6 e Electron of ball #2 = nuteral electric potential of ball #1 is…

Q: The electric force (in N) acting on a 33µC point charge placed in an electric field of 7.3×104 N/C…

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Q: A metallic sphere has a charge of +4.00 nC. A negatively charged rod has a charge of −6.00 nC. When…

A: Given data The charge on the sphere is given as Qs = 4 nC. The charge on the rod is given as Qr =…

Q: the electric field between two charges can be 0 at how many points ?

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Q: 3) If the left plate L has a net charge of +10 C, what is the net charge of the right plate R? A)…

A: The number of electric field lines in a particular direction gives an estimation of the electric…

Q: An electroscope is a simple device. It consists of a metal ball that is attached by a conductor to…

A: According to the property of the charge, similar charges repel each other and the opposite charges…

Q: An aluminum nail has an excess charge of +5120 µC. How many electrons must be added to the nail to…

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Q: how can you make a neutral object become negatively charged?

A: Neutral objects are the objects which have  equal number of protons and electrons.

Q: The two types of charges, positive and negative, are not created alone, but in pairs. True O False

A: There are different processes of producing charges, like charging by induction, by friction,…

Q: Two identical conducting spheres each carry a net electric charge; Ball A carries –3μC and Ball B…

A: When the two conductors comes into contact then, their surface potential becomes same. Since, both…

Q: When two point charges are 2.0 cm apart, each one experiences a 1.0-N electric force due to the…

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Q: 92 The figure shows the electric field lines for two-point charges separated by a small distance.…

A: Given data:  The electric field lines due to two point charges q1 and q2 Required: The ratio q1/q2

Q: Why does a charged object attract small pieces of paper which are uncharged?   What happens to the…

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Q: How many electrons are needed to create a force of 7 kN when they are place 0.1 mm away from 10 nC…

A: The given values are,

Q: A 53.0 g ball of copper has a net charge of 2.1 µC. What fraction of the copper's electrons have…

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Q: A 50.0 g ball of copper has a net charge of 2.00 µC . What fraction of the copper's electrons has…

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Q: If two equal charges each 1C were separated in air by distance of 1km, what would be the force…

A: The force between two charges is F=kQ2r2=9×109 NC1 C21×103 m2=9000 N=9KN

Q: A 50.0-g ball of copper has a net charge of 2.00 μC . What fraction of the copper’s electrons has…

A: To find the number of electrons removed , find the the number of electrons present in the copper…

Q: 21. A 6m 3m 30 Hu C 40 Hu 60 Hµ C Solve for the magnitude of electric force between charges B and A?…

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Q: 63. What is the force on the charge q at the lower-right-hand corner of the square shown here? q a q…

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Q: At what separation will two charges, each of magnitude of 6 mC, exert a force of 1.2 N on each…

A: Given: The magnitude of each charge is 6 mC. The magnitude of the force is 1.2 N.

Q: Why do most objects tend to contain nearly equal numbers of positive and negative charges?

A: An electric charge is defined as the tangible property of a system composed of atoms and molecules…

Q: Why do electric field lines point away from positive charges and toward negative charges?

A: The field lines are the visual tool to see the vector fields. It has tangential direction lines from…

Q: Two point charges of 35nC and – 80nC are separated by a distance of 3.0cm in air. What force keeps…

A: The charges are of opposite signs so there is attraction between the charges ,so we will have apply…

Q: 6. Two identical balls, each of mass 0.10 g, carry identical charges and are suspended by two…

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Q: A dust particle has an excess charge of 3.0×1063.0×106 electrons and a mass of 4.0×10−8g4.0×10−8g.…

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Q: 9) What is the charge on this object? O a) +3 O b) -2 O c) +2 O d) +5

A: The total charge is calculated as, Here, Q+ve represents the total positive charge and Q-ve…

Q: How strong is the attractive force between a glass rod with a 0.300 μC charge and a silk cloth with…

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Q: How can you charge an object negatively with only the help of a positively charged object?

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Q: The two particles have a charge of +Q1 and +Q2, respectively, while their total charge is 6 mC. The…

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Q: 18. What is the magnitude of the electrostatic force experienced by one elementary charge at a point…

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Q: Suppose you have a glass rod with a 0.68 μC charge and a polyester cloth with a -0.61μC charge,…

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Q: Two spheres, each with a charge of +3x10-6C are separated by 100mm. Are they attracting each other…

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Q: What is the force between two small charged spheres having charges of 2×10-7 C and 3×10-7 C placed…

A: The charged spheres can be considered as point charges. The equation for the magnitude of the…

Q: Two small, positively charged spheres have a combined charge of 5.0 * 10-5 C. If each sphere is…

A: The condition on the combined charge of the spheres gives is,

Q: If an electron is placed in a 50,000 N/C electric field, how much acceleration will it gain? The…

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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.