Page 356 - Basic Electrical Engineering

= 1732 W

The impedance of the circuit,

Again,

In the polar form,

Expressing in the rectangular form,

Figure 3.46

Z = Z cos ϕ + j Z sin ϕ

= 10 cos 30° + j Z sin 30°

= 10 × 0.866 + j 10 × 0.5

= 8.66 + j 5
= R + j X L

R = 8.66 Ω
X = ωL
L