document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1120423>Question 1120423</A>: <I><SPAN STYLE=\"word-break: break-all;\"> d.	The step-down transformer in a local neighborhood reduces the voltage from a 7200 V line to 120 V at the house.  Using the relationships between electrical quantities in a transformer, answer the following.<BR>\n" );
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document.write( "1.	<BR>\n" );
document.write( "i.	If there are 125 loops in the secondary coil, how many are there in the primary coil?<BR>\n" );
document.write( "ii.	What current does the transformer draw from the line if the current in the secondary coil is 36 A?<BR>\n" );
document.write( "iii.	What are the power input and output?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #736096 by </B><A HREF=/tutors/aboutme.mpl?userid=rfer><B>rfer(16322)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rfer><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=736096\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 7200/120=60<BR>\n" );
document.write( "60*125=7500 primary turns<BR>\n" );
document.write( "36/60=0.6 amps<BR>\n" );
document.write( "w=ia<BR>\n" );
document.write( "w=7200*0.6=4320 primary<BR>\n" );
document.write( "120*36=4320 secondary </SPAN>\n" );
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