Answer :


dielectric constant of slab = 4.0

Area of slab = 20 cm × 20 cm

Separation between slab, the thickness of the slab= 1.0 mm

We know capacitance is given by


A= area of cross section

K = dielectric constant

d= separation between the slab and

0 = permittivity of free space = 8.85×10-12

Hence, capacitance is given by-

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