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9) A parallel plate air condenser has a capacity of20μF. What will be the new capacity ifthe distance between two plates is doubled?and(a)(b) a marble slab of dielectric constant 8 isintroduced between the two plates ?(0 10 uF, (b) 160 LF) |
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Answer» a) we know that C = AE°/d so, when distance d is doubled , the value of C' will be AE°/2d = C/2 b) where there is a di electric having K = 8, the value of C is kAE°/d = 8AE°/d = 8C. |
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