document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=357955>Question 357955</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi, I have no idea even were to begin with this problem. I have to show my work, but do not understand how to obtain the answer. If you can show me the steps I would perform, I would greatly appreciate it. \r<BR>\n" );
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document.write( "Complex numbers are used in electronics to describe the current in an electric circuit. Ohm's law relates the current in a circuit, I, in amperes, the voltage of the circuit, E, in the volts, and the resistance of the circuit, R, in ohms, by the formula E=IR. Use this formula to solve. \r<BR>\n" );
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document.write( "SEction 10.7<BR>\n" );
document.write( "115.) \r<BR>\n" );
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document.write( "Find E, the voltage of a circuit, if I = (4-5i) amperes and R= (3+7i) ohms. \r<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 #255500 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=255500\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find E, the voltage of a circuit, if I = (4-5i) amperes and R= (3+7i) ohms.<BR>\n" );
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document.write( "Formula: E = IR<BR>\n" );
document.write( "E = (4-5i)(3+7i)<BR>\n" );
document.write( "E = 12+35 +28i-15i<BR>\n" );
document.write( "E = 47 +13i<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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