Phasors

Question 1

How to convert Sine to Cosine?

Answer 1

Question 2

What are Phasors?

Answer 2

Phasors are a way of expressing currents and voltages in the complex-number plane

Question 3

What is the phasor definition of a sinusoidal voltage of the form:

Answer 3

Question 4

Qualities of a wave

Answer 4

Question 5

How can sinusoids be added using phasors?

Answer 5

• Convert both sinusoids to phasor form
• Split each phasor into real and imaginary parts
• Add the real parts
• Add the imaginary parts
• Make a phasor from the resultant

Question 6

Express the sinusoidal voltage v(t) = V_m cos(wt + theta) as a rotating vector.

Answer 6