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In an isolated, charged, parallel-plate air capacitor, the charge per unit area on each plate has a magnitude of σ. A dielectric slab having the dielectric constant K is now introduced between the plates. The induced charge per unit area on the surface of the dielectric will have magnitude(a) σ/k(b) σ(k - 1)(c) σ(1 - 1/k)(d) σ/k + 1 |
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Answer» Correct Answer is: (c) σ(1 - 1/k) |
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