Question

What is the true power consumed in a 30 v series rlc circuit if z = 20 ohms and r = 10 ohms?

Answer 1

Zt=sqrt(z2+R2) where Zt equals to around 20.2
Zt = 20.2ohms
V= 30v
It=V/Zt= 1.5amps
R = 10ohms
true Power = It2*R
(1.5)2* 10
2.25*10
22.5W