1. ## complex numbers

the potential difference across a circuit is given by the complex number
V = 40 + j35 volts

& the current is given by the complex number
I = 6 + j3 amps

How do i find the phase difference (the angle) between the phasors for Voltage V and Current I?

2. ## Re: complex numbers

Originally Posted by tomjay
How do i find the phase difference (the angle) between the phasors for Voltage V and Current I?
Convert the voltage and current from cartesian coordinates $(x,y)$ - where $x$ is the real value and $y$ the imaginary - to polar coordinates of the form $(r,\theta)$. The phase angle is the difference between the two values of $\theta$.

3. ## Re: complex numbers

thanks for that just figured it out but good to double check