Engineering Board Exam Reviewer · RL Circuits · medium
A coil with 15, of resistance and 50 mH of inductance is connected across a 120 V, 60 Hz supply. Find the current.
- 4.98 A
- 3.55 A
- 8 A
- 6.37 A
Answer
A. 4.98 A
Solution
XL=2π(60)(0.05)=18.8, . |Z|=sqrt(152+18.82)=24.1, . I=120/24.1, =4.98 A.
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