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Determine the inductive reactance when a 30.0mH inductor with a negligible resistance ...

Determine the inductive reactance when a 30.0mH inductor with a negligible resistance is connected to a 1.3 x 103Hz oscillator.
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  • A 39.0\(\Omega\)
  • B 122.5\(\Omega\)
  • C 245.0\(\Omega\)
  • D 39000.0\(\Omega\)
Correct Answer: Option C
Explanation:
XL = 2\(\pi\)FL
= 2 x 3.142 x 30 x 10-3 x 1.3 x 103
= 245\(\Omega\)

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