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[" 17.The flux linked with a coil at any...

[" 17.The flux linked with a coil at any instant 't is given by "],[phi=10t^(2)-50t+250" .The induced emfat "t=3" s is "],[[" (a) "-190V" (b) "-10V," (c) "10V," (d) "190V]]

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