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a resonant tank circuit consists of a 20 mh coil operating at a frequency of 950 khz. what is the inductive reactance of the coil?
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15 votes
a resonant tank circuit consists of a 20 mh coil operating at a frequency of 950 khz. what is the inductive reactance of the coil?

User Robin Layfield
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1 Answer

16 votes
16 votes

Answer:

Inductive resistance of the coil 120 kΩ

Step-by-step explanation:

Given:

L = 20 mH = 0.020 H - Coil inductance

f = 950 kHz = 950 000 Hz - Frequency

______________

XL - ? Inductive resistance of the coil

XL = 2·π·f·L

XL = 2·3.14·950000·0.020 ≈ 120 000 Ω or XL = 120 kΩ

User Kuokongqingyun
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2.7k points
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