Pl explain how to draw a phasor diagram.

Hi,
A phasor diagram represents the 2D drawing of a rotating vector. Let us understand it using an example,

Where, I0 is the amplitude of I.
ω is the angular frequency.
So the phasor diagram will be a circle of radius I0 at an angle ωt w.r.t. x-axis.
Consider a quantity E0 which leads by angle φ w.r.t. I with same angular frequency ω and amplitude E0 i.e.

Then phasor diagram will be,

Hope, it helps you.
Best wishes!!

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Thank you ma'am.

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