(i). A capacitor C stores charge Q when there is a potential difference V. When a potential difference of V + 12.5 Volts is used, an extra 45.5

(i). A capacitor C stores charge Q when there is a potential difference V. When a potential difference of V + 12.5 Volts is used, an extra 45.5 microC of charge is stored. What is the capacitance C?(ii). A second capacitor C has a plate separation of 4.5 mm. When the plates are separated an extra 2.0 mm the capacitance decreases by 7.5 microF. What is the capacitance?

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