In figure, Z1 = 200∠60° &ohm;, Z2 = 400∠ - 90° &ohm;, Z3 = 300� – McqOptions

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1.	In figure, Z1 = 200∠60° &ohm;, Z2 = 400∠ - 90° &ohm;, Z3 = 300∠0°. Then Z4 for bridge to be balanced is
A.	150∠30° &ohm;
B.	400∠ - 90° &ohm;
C.	300∠90° &ohm;
D.	600∠ - 150° &ohm;
Answer» E.

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