Question

6. An air filled capacitor is made up of a pair of circular parallel plates of radius of 3.0 cm separated by a distance of 4.2 mm. It is connected to a voltage source of 3 V. [6 points) A) Calculate its capacitance. B) How much charge does it hold?

please explain the answer

Answer 1

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solution given radius of plate ceach) = 3.0cm - 3x10 m distance between the plates (d) = 412mm = 4:2*103 m dy (A) capacitance of circular parallel plate capatic capacitor (when air is filled b/w the plates) is ginen by 6 = E(T 82 V= 3 volt =(8.85 81012) (3.14 (3x1022 4.2 X103 c = 250.101x10 12 x 10 4 x 103 4.2 ③ C: 59.55 x10-13 or lc = 5.9x1012 f = 5.9ff Ary. where ipf= 10-12 F charge on the each plate is given by 8 = cv Q = 5.9 X10-12 X 3.0 To = 1717 8 10 12 ~ 1800 pc / where 1pc = 10the An sidarne

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