Circuit values for Fig. 12.40 are Vab = 200/0, Vbc = 200/120, Vca = 200/240 V rms, Z4 =

Chapter 12, Problem 40

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Circuit values for Fig. 12.40 are \(\mathbf{V}_{a b}=200 \angle 0^{\circ}\), \(\mathbf{V}_{b c}=200 \angle 120^{\circ}\), \(\mathbf{V}_{ca}=200\angle240^{\circ}\ \mathrm{V} \ \mathrm{rms}\), \(\mathbf{Z}_4=\mathbf{Z}_5=\mathbf{Z}_6=25 \angle 30^{\circ}\ \Omega\), \(\mathbf{Z}_1=\mathbf{Z}_2=\mathbf{Z}_3=50 \angle -60^{\circ}\ \Omega\). Find the reading for each wattmeter.

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