1.

Find the number of plates in the multi plate capacitor having C=20F absolute permittivity=5F/m, A=4m^2 and d=2m.(a) 1(b) 2(c) 3(d) 4

Answer» The correct answer is (c) 3

Best explanation: The formula for capacitance of a multi plate capacitor: C=Actual permittivity*(n-1)*A/d.

Substituting the given values in the equation, we get n=3.


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