Substrate Record: qid 11846

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qid 11846 · engineering

Question: Find A^\ding{217} - B^\ding{217} for the phasors A^\ding{217} = 30\angle60° B^\ding{217} = 21 (cos 160° - j sin 160°).

1. 46∠47 degrees
2. 52∠42 degrees
3. 48∠45 degrees
4. 50∠43.6 degrees
5. 51∠40 degrees
6. 53∠41 degrees
7. 48∠43.6 degrees
8. 47∠46 degrees
9. 49∠43.6 degrees
10. 45∠44 degrees

Our answer: G. 48∠43.6 degrees Source pending

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