Determine the value of capacitor C to ensure the current is in phase with the voltage given:
V(t) = 60*e^j(250t + 30°)
R1 = 8 ohm
R2 = 22 ohm
L = 10 + (2*R2)mH
what is the capacitance?
Please note that this is not a homework assignment but I really need to understand it for an upcoming exam.
I know that to get current in phase with voltage, we can't have an imaginary part for our impedance, i.e purely resistive circuit. This also means that the inductor & capacitor will even out creating infinite impedance (i think). I am unable to calculate the answer.
Can you please explain to me how to get the answer?
(NOTE: the correct answer is 81.05 uF)