(24-26) Three conducting plates, each of area A, are connected as shown in Fig. 24-22. (a) Are the t

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(24-26) Three conducting plates, each of area A, are connected as shown in Fig. 24-22. (a) Are the two capacitors thus formed connected in series or in parallel? (b) Determine C as a function of d_1,d_2, and A. Assume d_1+d_2 is much less than the dimensions of the plates, (c) The middle plate can be moved (changing the values of d_1 and d_2), so as to vary the capacitance. What are the minimum and maximum values of the net capacitance?
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