What is the reactance of a 20-mH inductor at a frequency of 60 Hz?
A)7.5 Ω
B)0.13 Ω
C)1.2 Ω
D)1.2 mΩ
E)7.5 mΩ

Name: What is the reactance of a 20-mH inductor at a frequency of 60 Hz? A)7.5 Ω B)0.13 Ω C)1.2 Ω D)1.2 mΩ E)7.5 mΩ
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Question

Quizplus · Accepted Answer

The reactance of an inductor is calculated using the formula $X_L = 2\pi fL$, where $f$ is the frequency in hertz and $L$ is the inductance in henries. Plugging in the given values, $X_L = 2\pi \times 60 \times 0.02 = 7.54 \Omega$, which rounds to 7.5 Ω.

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