4) Borus: Suppose one plate of a parallel-plate capacitor is tilted so it makes a small angle 0 with the other plate, as shown in Fig 24-28. Determine a formula for the capacitance C in terms of A, d, and 0 where A is the area of each plate and 0 is small. Assume the platles are square. [Hint Imagine the capacitor as many infinitesimal capacitors in parallel
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Let the length of the plate be c. The area of the square plate is .
Consider a small length segment dx on the plate of the capacitor 'x' distance apart from its bottom.
The capacitance of the finite small capacitor can be expressed as :
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