Q22. A capacitor consists of two concentric conducting spherical shells, an inner shell of radius a-2 cm and an outer shell of radius b-3 cm as shown in the cross-section drawing below. The capacitance of this arrangement is approximately a) 22.2 pF b) 80 pF c) 6.7 pF d) 46.7 pF

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Q22. A capacitor consists of two concentric conducting spherical shells, an
inner shell of radius a 2 cm and an outer shell of radius b -3 cm as
shown in the cross-section drawing below. The capacitance of this
arrangement is approximately
a) 22.2 pF
b) 80 pF
c) 6.7 pF
d) 46.7 pF
O
Transcribed Image Text:Q22. A capacitor consists of two concentric conducting spherical shells, an inner shell of radius a 2 cm and an outer shell of radius b -3 cm as shown in the cross-section drawing below. The capacitance of this arrangement is approximately a) 22.2 pF b) 80 pF c) 6.7 pF d) 46.7 pF O
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