document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1103918>Question 1103918</A>: <I><SPAN STYLE=\"word-break: break-all;\"> losses in a long telephone line reduce a 30-watt input signal to an output of 6 watts. find the db gain.(because it is a loss, the \"gain\" will be negative.) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #718637 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=718637\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> losses in a long telephone line reduce a 30-watt input signal to an output of 6 watts. find the db gain.(because it is a loss, the \"gain\" will be negative.) <BR>\n" );
document.write( "db = 10*log(p2/p1)<BR>\n" );
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document.write( "Ans:db = 10*log(6/30) = 10*log(1/5) = 10*-0.699 = -7 when rounded<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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