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Recent questions tagged electrons

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Two identical spheres, \(X\) and \(Y\), are suspended by insulated threads from a ceiling, as shown in the diagram below. Sphere \(X\) has an excess of 25 electrons and the charge on \(Y\) is unknown.
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asked Mar 27 in Physics & Chemistry by Pieter Diamond (40,709 points) | 105 views
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asked Nov 10, 2021 in Physics & Chemistry by MathsGee Platinum (122,714 points) | 98 views
Two metal spheres, \(\mathrm{M}\) and \(\mathrm{N}\), on insulated stands carry charges \(+\mathrm{Q}_{\mathrm{M}}\) and \(-6 \mathrm{nC}\) respectively. 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. 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. 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 \(X\). 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 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. Two identical metal spheres, $\mathbf{P}$ and $\mathbf{R}$, on insulated stands, carry different charges. The spheres are brought into contact and then separated again.
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asked Nov 24, 2020 in Physics & Chemistry by Pieter Diamond (40,709 points) | 192 views
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asked Nov 24, 2020 in Physics & Chemistry by Pieter Diamond (40,709 points) | 727 views
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asked Nov 24, 2020 in Physics & Chemistry by Pieter Diamond (40,709 points) | 1,148 views
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asked Sep 9, 2020 in Physics & Chemistry by MathsGee Platinum (122,714 points) | 154 views
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asked Sep 5, 2020 in Physics & Chemistry by Student SIlver Status (10,980 points) | 81 views
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