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In a parallel-plate capacitor, the length and width of the plates are \(3\text{ }\text{cm}\) and \(1\text{ }\text{cm}\),…

Q1

In a parallel-plate capacitor, the length and width of the plates are \(3\text{ }\text{cm}\) and \(1\text{ }\text{cm}\), respectively. The separation between the plates is \(3\text{ }\mu \text{m}\). By which of the following configurations does the capacitance increase by a factor of 10?

(A): \(l=6\text{ }\text{cm},b=5\text{ }\text{cm},d=3\text{ }\mu \text{m}\)
(B): \(l=5\text{ }\text{cm},b=2\text{ }\text{cm},d=1\text{ }\mu \text{m}\)
(C): \(l=5\text{ }\text{cm},b=1\text{ }\text{cm},d=30\text{ }\mu \text{m}\)
(D): \(l=1\text{ }\text{cm},b=1\text{ }\text{cm},d=30\text{ }\mu \text{m}\)

(Shift I Memory Based)

a

A,B

b

A,C

c

B,C

d

B,C,D

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