Question
a.
150∠30° Ω
b.
400∠ - 90° Ω
c.
300∠90° Ω
d.
600∠ - 150° Ω
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Q. In figure, Z1 = 200∠60° Ω, Z2 = 400∠ - 90° Ω, Z3 = 300∠0°. Then Z4 for bridge to be balanced is
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