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[" Q13.In a transformer no of turns in "...

[" Q13.In a transformer no of turns in "],[" the primary coil is "140" and that in the "],[" secondary coil is "280" .If current in "],[" primary is "4A" ,the current in "],[" secondary is "^(*)],[bigcirc(a)4A],[" (b) "6A],[" (c) "2A],[" (d) "10A]

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