resistance

Help Support Talk Electrician Forum:

searley

Senior Member
Joined
Sep 12, 2008
Messages
320
Reaction score
0
A circuit has a resistance of 20ohms and an inductive reactance of 15ohms when connected to an a.c. supply.the impedance of the circuit is ?.

how can i work this out.help needed.cheers.

 

electrical55

Junior Member
Joined
May 24, 2008
Messages
1
Reaction score
0
z=sqrt(r sqrd+y sqrd)

ie in this case

z=sqrt (400+225)=sqrt(625)=25 ohms

 

Latest posts

Top