Determine the total inductance and the circuit current of a 4-H inductor and a 6-H inductor series connected to a 400-Hz, 80-V supply. also determine the voltage across the 4-H inductor.
Hello, Take a look at this page of the AAC eBook. http://www.allaboutcircuits.com/vol_1/chpt_15/4.html Greetings, Bertus
If you have two inductors in series the total inductance is the sum of each of the inductors value. In your case is 6+4=10 H. The impedance of the total inductance is: XL=2*pi*f*L=2*pi*400*10=25.1K Thus the current flowing will be: I=V/XL=80/25.1K=3.2mA The voltage across the 4H inductor: XL4=2*pi*f*L=10K thus VL4=XL4*I=32V