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Three point charges are in a straight line. Their charges are \(Q_{1}=+4 \times 10^{-9} \mathrm{C}, Q_{2}=+2 \times 10^{-9} \mathrm{C}\) and \(Q_{3}=-6 \times 10^{-9} \mathrm{C}\). Two metal spheres, \(\mathrm{M}\) and \(\mathrm{N}\), on insulated stands carry charges \(+\mathrm{Q}_{\mathrm{M}}\) and \(-6 \mathrm{nC}\) respectively. A sphere \(\mathbf{Q}_{1}\), with a charge of \(-2,5 \mu \mathrm{C}\), is placed \(1 \mathrm{~m}\) away from a second sphere \(\mathbf{Q}_{2}\) with a charge \(+6 \mu \mathrm{C}\). A -3 nC charge \(Q_{1}\) is placed \(10 \mathrm{~cm}\) away from \(a+3 n C Q_{2}\) charge as shown in the diagram below. A very small graphite-coated sphere \(\mathbf{P}\) is rubbed with a cloth. It is found that the sphere acquires a charge of \(+0,5 \mu \mathrm{C}\). Two identical negatively charged spheres, \(A\) and \(B\), having charges of the same magnitude, . . . Two metal spheres, \(\mathrm{M}\) and \(\mathbf{N}\), are on insulated stands. \(\mathrm{M}\) with charge of \(-4 \mathrm{nC}\) is placed \(30 \mathrm{~mm}\) away from N. The diagram below shows two small identical metal spheres, \(\mathbf{R}\) and \(\mathbf{S}\), each placed on a wooden stand. Spheres \(\mathbf{R}\) and \(\mathrm{S}\) carry charges of \(+8 \mu \mathrm{C}\) and \(-4 \mu \mathrm{C}\) respectively. Two metal spheres, \(A\) and \(B\), on insulated stands is placed with their centres \(10 \mathrm{~cm}\) apart as shown in the sketch below. A has a charge of \(-15 \mathrm{nC}\) and \(\mathrm{B}\) an unknown positive charge \(X\). In the diagram below, point charge \(A\) has a charge of \(+16 \mu C . X\) is a point \(12 \mathrm{~cm}\) from point charge \(\mathrm{A}\). Two metal spheres, \(\mathbf{P}\) and \(\mathbf{Q}\), on insulated stands, carrying charges of \(+5 \times 10^{-9} \mathrm{C}\) and \(+5 \times 10^{-9} \mathrm{C}\) respectively, are placed with their centres \(20 \mathrm{~mm}\) apart. Two positive point charges, \(q_{1}=+16 \times 10^{-6} \mathrm{C}\) and \(\mathrm{q}_{2}=+4 \times 10^{-6} \mathrm{C}\), are separated by a distance \(3 \mathrm{~m}\). Two metal spheres, \(\mathbf{P}\) and \(\mathrm{T}\), on insulated stands, carry charges of \(+3 \times 10^{-9} \mathrm{C}\) and \(-6 \times 10^{-9} \mathrm{C}\) respectively. The diagram below shows a small metal sphere P on an insulated stand. The sphere carries a charge of \(-4 \times 10^{-9} \mathrm{C}\), as shown in the diagram. Two point charges, \(Q_{1}\) and \(Q_{2}\), a distance \(3 \mathrm{~m}\) apart, are shown below. The charge on \(Q_{1}\) is \(-14 \mu \mathrm{C}\) and the charge on \(Q_{2}\) is \(+20 \mu \mathrm{C}\)
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Below is a diagram of a charged object (conductor) at electrostatic equilibrium. Points \(A, B\), and \(D\) are on the surface of the object, whereas point \(\mathrm{C}\) is located inside the object. What are the respective charges of the yellow particles shown in diagrams (a), (b), and (c)? In each of the four scenarios listed below, the two charges remain fixed in place as shown. Rank the forces acting between the two charges from the greatest to the least. In each of the four scenarios listed below, the two charges remain fixed in place as shown. Rank the electric potential energies of the four systems from the greatest to the least. Two point charges \(\left(\mathrm{C}_{1}\right.\) and \(\left.\mathrm{C}_{2}\right)\) are fixed as shown in the setup below. Now consider a third test charge with charge -q that you can place anywhere you want in regions \(A, B, C\), or \(D .\)
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Solve the puzzle below
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Solve this difficult fruit equation puzzle
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