Phasor Diagrams

Autor:Matthew Kushner

Below is a phasor diagram. The blue and red vectors are complex numbers. Each one is associated with a wave. Answer the questions below.

Vary the length of the red and blue vectors with the sliders. What is the relationship between the red vector and the amplitude of the wave?

Uključite sve točne odgovore

A
Modulus of red vector equals amplitude of wave.
B
Modulus of red vector equals twice the amplitude of the wave.
C
Modulus of red vector has no relationship with the wave.

Provjeri moje odgovore (3)

Move the two complex vectors. The arguments of the vectors are shown by the vectors. What is the relationship between the vector angle and the phase shift of the waves?

Uključite sve točne odgovore

A
Vector angle is 1/2 the phase shift.
B
Vector angle equals phase shift.
C
No relationship.

Provjeri moje odgovore (3)

Now turn on the add waves button. The two vectors are added together. What is the relationship between the vectors magnitude and the wave sum?

Uključite sve točne odgovore

A
Vector modulus is twice the amplitude of the sum wave.
B
Vector magnitude modulus equals sum wave amplitude
C
Vector modulus is 1/2 the amplitude of the sum wave.

Provjeri moje odgovore (3)

Phasor Diagrams

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