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Two metal spheres, one fo radius R and ...

Two metal spheres, one fo radius R and the other of radius 2R, both have same surface charge density s. They are brought in contact and seprated. What will be new surface charge densitites on them ?

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To solve the problem step by step, we need to analyze the situation of two metal spheres with different radii but the same surface charge density when they are brought into contact and then separated. ### Step 1: Determine the initial charges on both spheres. The surface charge density (σ) is defined as charge (Q) per unit area (A). The area of a sphere is given by \( A = 4\pi r^2 \). - For the first sphere (radius = R): \[ Q_1 = \sigma \times A_1 = \sigma \times 4\pi R^2 = 4\pi R^2 \sigma ...
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