Mathematics · AC Circuits
Find the approximate inductance of a coil so that it has a reactance of 628 Ω at a frequency of 40 kHz. (Use π ≈ 3.14)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 125 mH
- 20.25 mH
- 3250 mH
- 42.5 mH✓
Correct answer
2.5 mH
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