A parallel-plate capacitor has circular plates of 8.20 $\mathrm{cm}$ radius and 1.30 $\mathrm{mm}$ separation. (a) Calculate the capacitance. (b) Find the charge for a potential difference of 120 $\mathrm{V}$ .
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20 \, \text{cm} = 0.082 \, \text{m}\) Separation between plates, \(d = 1.30 \, \text{mm} = 1.30 \times 10^{-3} \, \text{m}\) ** Show more…
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