A slab of material of dielectric constant 3 has the same are 3 A as the plates of parallel plate capacitor and thickness where d

Question

A slab of material of dielectric constant 3 has the same are 3 A as the plates of parallel plate capacitor and thickness where d is plate separation The new capacity when slab is inserted between the plates is Unchanged Twice the original value Thrice the original value Four times the original vale 4

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