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A parallel-plate capacitor is constructed of two horizontal 17.2-cm-diameter circular plates. A 1.1 g plastic bead...

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Physics

A parallel-plate capacitor is constructed of two horizontal17.2-cm-diameter circular plates. A 1.1 g plastic bead with acharge of -8.0 nC is suspended between the two plates by the forceof the electric field between them. What is the charge on thepositive plate?

Answer & Explanation Solved by verified expert
3.8 Ratings (593 Votes)
The radius of the plates is r 1722 86 cm 0086 mThe area of one plate is Let Q be charge on the positive plate the surface chargedensity of the positive plate isAssuming that the charge    See Answer
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