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E=I.Z
The impedance in one part of a series circuit is 3+4j ohms, and impedance in another part of the circuit is 2-6j .Add these complex mummers to find the total impedance in the circuit.
I need help explants these number 3+4j ohms are they E or I or Z, do not solve or write equation, thank.

Question

http://i1142.photobucket.com/albums/n608/nancylam67/Page15.jpg
Page 265# 72
E=I.Z
         The impedance in one part of a series circuit is 3+4j ohms, and impedance in another part of the circuit is 2-6j .Add these complex mummers to find the total impedance in the circuit.
I need help explants these number 3+4j ohms are they E or I or Z, do not solve or write equation, thank.

anonymous · Answer

3+4j is impedance , so it's Z
E is voltage

radar · Answer

Impedance is expressed in Ohms.  The values given are complex numbers where the "j" operator is similar to i (imaginary) in mathematics.