MCQOPTIONS
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				| 1. | 
                                    In figure, Za = 100∠50°, Zb = 300∠-90° and Zc = 200∠0°. For balanced condition, Zd will be | 
                            
| A. | 600∠ - 40° | 
| B. | 600∠140° | 
| C. | 600∠ - 140° | 
| D. | 150∠140° | 
| Answer» D. 150‚à†140¬∞ | |