Question

A series circuit contains a 30 mH inductor and a 200 ohm resistor. What's the total circuit current (rounded) if the applied voltage is 60 V and the frequency is 1,000 Hz

Answer 1

0.22 A

Step-by-step explanation:

We must first find the impedence of the circuit using the formula;

√R^2 + (XL)^2

XL = 2πfL

XL = 2 * 3.14 *1000* 30 * 10^-3

XL = 188 Ω

√(200)^2 + (188)^2

=√40000 + 35344

=274.5 Ω

Then;

V= IZ

I = V/Z

I= 60 V/274.5 Ω

I= 0.22 A