Difference between phase angles

Click For Summary
SUMMARY

The discussion centers on the difference between phase angles in vector analysis, specifically addressing the angular difference of 150 degrees versus 210 degrees. Participants confirm that both values can be correct depending on the context of the vectors being analyzed. The text indicates a preference for 210 degrees, but both angles represent valid interpretations of the phase difference. The conversation highlights the ambiguity in determining whether one angle leads or lags another when they are 180 degrees apart.

PREREQUISITES
  • Understanding of vector analysis
  • Familiarity with phase angles in trigonometry
  • Knowledge of angular measurement
  • Basic principles of harmonic motion
NEXT STEPS
  • Research vector representation in physics
  • Study the implications of phase differences in wave mechanics
  • Learn about the concept of leading and lagging phase angles
  • Explore applications of phase angles in electrical engineering
USEFUL FOR

Students studying physics, particularly those focusing on wave mechanics and vector analysis, as well as educators looking for clarification on phase angle concepts.

kostoglotov
Messages
231
Reaction score
6

Homework Statement



9ktFGSs.png

[/B]
imgur: http://i.imgur.com/9ktFGSs.png

Homework Equations

The Attempt at a Solution


[/B]
I came up with both 150 and 210 as the difference between the phase angles. I chose 150.

If you draw the vectors and compare their angles, the angular difference between them could be either 150 or 210.

Can you choose either? If not, why did the text choose 210?
 
Physics news on Phys.org
Is it 210 ahead or 150 behind? Both are correct. If they are 180 degrees apart, does it lead by 180 or lag by 180 ? It is impossible to make such a distinction. Both answers are correct.
 
  • Like
Likes   Reactions: kostoglotov

Similar threads

  • · Replies 5 ·
Replies
5
Views
4K
  • · Replies 33 ·
2
Replies
33
Views
4K
Replies
17
Views
4K
Replies
10
Views
2K
Replies
3
Views
2K
  • · Replies 4 ·
Replies
4
Views
5K
  • · Replies 2 ·
Replies
2
Views
2K
  • · Replies 21 ·
Replies
21
Views
5K
  • · Replies 18 ·
Replies
18
Views
1K
Replies
4
Views
3K