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Capacitance of a parallel plate capacitor is ________

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Capacitance of a parallel plate capacitor is ________

(a) C = ^A∈⁄d

(b) C = ^∈⁄d

(c) C = ^A⁄d

(d) C = A

The question was posed to me during a job interview.

The query is from Capacitive Transducer topic in portion Transducers of Electrical Measurements

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Best answer
The correct choice is (a) C = ^A∈⁄d

The best explanation: The capacitance of a parallel plate capacitor is given by the relation,

C = ^A∈⁄d

where,

A is the area of cross section of the plates

d is the distance of separation between the plates

∈ is the permittivity of space.

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