Q A spherical capacitor consists of a spherical conducting shell of radius b and charge - Q concentric with a smaller conducting sphere of radius a and charge Q (see Fig.2). Find the capacitance of this device. (i) 4.760 (b-a) ab (ii) 2760 (iii) ab (b-a) ab 4760 (b-a) (iv) None of the above Fig. 2
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