document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1172557>Question 1172557</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 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 volts, and the resistance of the circuit, R, in ohms, by the formula  Solve the problem using this formula.\r<BR>\n" );
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document.write( "Find E, the voltage of a circuit, if I = (8 + 3i) amperes and R = (5 + 3i) ohms. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #797627 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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/cgi-bin/show-face.mpl?user=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=797627\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 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 volts, and the resistance of the circuit, R, in ohms, by the formula Solve the problem using this formula.<BR>\n" );
document.write( "Find E, the voltage of a circuit, if I = (8 + 3i) amperes and R = (5 + 3i) ohms.<BR>\n" );
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document.write( "E = I * R, therefore<BR>\n" );
document.write( "E = (8+3i)*(5+3i)<BR>\n" );
document.write( "foil<BR>\n" );
document.write( "E = 40 + 24i + 15i +9i^2<BR>\n" );
document.write( "E = 40 + 39i + 9(-1)<BR>\n" );
document.write( "E = 40 - 9 + 39i<BR>\n" );
document.write( "E = 31 + 39i </SPAN>\n" );
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