document.write( "Question 1053704: A device need 5.00A at 7.00V.this is connected to a transformer with 1800 turns in the primary coil of wire and a 220V.What is the ratio of secondary turn to primary turn for this transformers?how many turns should the secondary coil of wire have?
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Algebra.Com's Answer #668964 by josmiceli(19441) $\"\"$ $\"About$

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Secondary to primary turns =
\n" ); document.write( " $\"+7+%2F+220+\"$
\n" ); document.write( " $\"+7+%2F+220+=+n+%2F+1800+\"$
\n" ); document.write( " $\"+7%2A1800+=+220n+\"$
\n" ); document.write( " $\"+220n+=+12600+\"$
\n" ); document.write( " $\"+n+=+57.273+\"$ turns in the secondary coil
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