document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=393604>Question 393604</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the wattage rating W  (in watt) of an appliance varies jointly with the square of the current I ( in amperes) and the resistance R ( in ohms). if the wattage is 6 watts when the current is 0.2 ampere and the resistance is 150 ohms, find the wattage when the ccurrent is 0.3  ampere and the resistance is 300 ohms </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #279338 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=279338\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the wattage rating W  (in watt) of an appliance varies jointly with the square of the current I ( in amperes) and the resistance R ( in ohms). if the wattage is 6 watts when the current is 0.2 ampere and the resistance is 150 ohms, find the wattage when the ccurrent is 0.3  ampere and the resistance is 300 ohms<BR>\n" );
document.write( "...<BR>\n" );
document.write( "W<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=alpha ALIGN=MIDDLE  ALT=\"alpha\"   DISABLED_style= \"max-width:90%; height:auto;\" >i^2r<BR>\n" );
document.write( "W= ki^2r<BR>\n" );
document.write( "if the wattage is 6 watts when the current is 0.2 ampere and the resistance is 150 ohms<BR>\n" );
document.write( "6=k*(0.2)^2*150<BR>\n" );
document.write( "k=6/(0.2)^2*150<BR>\n" );
document.write( "k= 1<BR>\n" );
document.write( "..<BR>\n" );
document.write( "ccurrent is 0.3  ampere and the resistance is 300 ohms<BR>\n" );
document.write( "W= 1*(0.3)^2*300<BR>\n" );
document.write( "w= 27 <BR>\n" );
document.write( "...<BR>\n" );
document.write( "m.ananth@hotmail.ca </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );