A small glass bead with a charge of +82 nC is affixed to an insulating string. The other end of the string is affixed to the inner surface of a parallel-plate capacitor that has plates of equal and opposite charge, as shown in the schematic. The bead is stationary, and the string has a tension of 220N. What is the magnitude of the surface charge density, o, on each of the plates of the capacitor? Assume that the effects of gravity are negligible and can be ignored. Assume also that the plates are very large.
A small glass bead with a charge of +82 nC is affixed to an insulating string. The other end of the string is affixed to the inner surface of a parallel-plate capacitor that has plates of equal and opposite charge, as shown in the schematic. The bead is stationary, and the string has a tension of 220N. What is the magnitude of the surface charge density, o, on each of the plates of the capacitor? Assume that the effects of gravity are negligible and can be ignored. Assume also that the plates are very large.
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Transcribed Image Text:A small glass bead with a charge of +82 nC is affixed to an insulating string. The other end of the
string is affixed to the inner surface of a parallel-plate capacitor that has plates of equal and opposite
charge, as shown in the schematic. The bead is stationary, and the string has a tension of 220 N.
What is the magnitude of the surface charge density, o, on each of the plates of the capacitor?
Assume that the effects of gravity are negligible and can be ignored. Assume also that the plates are
very large.
+82 nC
+.
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