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    				| 1. | 
                                    Relative permittivity of water is 81. If ∈w and ∈0 are permitivities of water and vacuum respectively, then.(a) ∈0 = 9 ∈ω(b) ∈0 = 81∈ω(c) ∈ω = 9 ∈0(d) ∈ω = 81 ∈0 | 
                            
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Answer»  (d) ∈ω = 81 ∈0  | 
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