A parallel-plate capacitor has square plates of side 12 cm and a separation of 6.0 mm.A dielectric slab of constant $\kappa$ = 2.0 has the same area as the plates but has a thickness of 3.0 mm.What is the capacitance of this capacitor with the dielectric slab between its plates?
A)28 pF
B)21 pF
C)16 pF
D)37 pF
E)53 pF

Question

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The Answer of A parallel-plate capacitor has square plates of side 12 cm and a separation of 6.0 mm.A dielectric slab of constant $\kappa$ = 2.0 has the same area as the plates but has a thickness of 3.0 mm.What is the capacitance of this capacitor with the dielectric slab between its plates?
A)28 pF
B)21 pF
C)16 pF
D)37 pF
E)53 pF

A Parallel-Plate Capacitor Has Square Plates of Side 12 Cm κ\kappaκ

A Parallel-Plate Capacitor Has Square Plates of Side 12 Cm $\kappa$