document.write( "Question 168321: Any help with the folllowing assignment question would be most appreciated. I am doing an electrical degree course which is moving too fast over the quantitative analysis section and I am struggling to take basics for each topic. \r
\n" );
document.write( "\n" );
document.write( "two coils connected in parrallel
\n" );
document.write( "r1= 12 ohm L1= 24mH
\n" );
document.write( "r2= 6 ohm L2=30mH
\n" );
document.write( "given that f = 50Hz calculate the values of impedance for each coil Z1 and Z2 and the total impednace for two impedances in parrallel in both polar form and rectilinear form. \r
\n" );
document.write( "\n" );
document.write( "thanks
\n" );
document.write( "Kevin \r
\n" );
document.write( "
\n" );
document.write( "\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #124065 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Any help with the folllowing assignment question would be most appreciated. I am doing an electrical degree course which is moving too fast over the quantitative analysis section and I am struggling to take basics for each topic. \n" ); document.write( "two coils connected in parrallel \n" ); document.write( "r1= 12 ohm L1= 24mH \n" ); document.write( "r2= 6 ohm L2=30mH \n" ); document.write( "given that f = 50Hz calculate the values of impedance for each coil Z1 and Z2 and the total impednace for two impedances in parrallel in both polar form and rectilinear form. \n" ); document.write( "------------ \n" ); document.write( "Start with the formula for inductive reactance, which corresponds to resistance of the inductor at a specific frequency: \n" ); document.write( "X = 2*pi*f*L where f is in Hz and L is in Henries \n" ); document.write( "L1 = 0.024 Henry \n" ); document.write( "X1 = 2*pi*50*0.024 = 7.54 ohms \n" ); document.write( "r1 = 12 ohms (I assume this is the resistance of the coil) so it's in parallel with the coil. \n" ); document.write( "That's 4.63 ohms (at 50 Hz) \n" ); document.write( "---------------- \n" ); document.write( "L2 = 0.03 Henry \n" ); document.write( "Same as above, X2 = 9.24 ohms \n" ); document.write( "In parallel with 6 ohms gives 3.71 ohms. \n" ); document.write( "--------------------- \n" ); document.write( "In parallel, their reactance at 50 Hz is 2.06 ohms. \n" ); document.write( "I don't see anything to be plotted in rectilinear or polar form, it's just a number of ohms. \n" ); document.write( " |