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[" The average emf induced in a coil in ...

[" The average emf induced in a coil in which the current changes from "2A],[" to "4A" in "0.05sec" is "8V" .The self inductance of the coil is: "],[[" (A) "0.1H," (B) "0.2H," (C) "0.3H," (D) "0.4H]]

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