Engineering Board Exam Reviewer · RL Circuits · medium
A 100, resistor and a 0.2 H inductor are connected in series across a 60 Hz source. Find the magnitude of the total impedance.
- 175,
- 100,
- 250,
- 125,
Answer
D. 125,
Solution
XL=2π(60)(0.2)=75.4, . |Z|=sqrt(R2+XL2)=sqrt(1002+75.42)=125, .
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