Anonymous
Jan 11
A resonant tank circuit consists of a 20 mH coil operating at a frequency of 950kHz. What is the inductive reactance of the coil?
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Jan 11
The inductive reactance (XL) of a coil can be calculated using the formula:
XL = 2πfL
where:
XL = inductive reactance
f = frequency
L = inductance
Given:
f = 950 kHz = 950,000 Hz
L = 20 mH = 20 × 10^(-3) H
Substituting the values into the formula:
XL = 2π × 950,000 × 20 × 10^(-3)
= 2π × 19,000
≈ 119,380 Ω
Therefore, the inductive reactance of the coil is approximately 119,380 Ω.
XL = 2πfL
where:
XL = inductive reactance
f = frequency
L = inductance
Given:
f = 950 kHz = 950,000 Hz
L = 20 mH = 20 × 10^(-3) H
Substituting the values into the formula:
XL = 2π × 950,000 × 20 × 10^(-3)
= 2π × 19,000
≈ 119,380 Ω
Therefore, the inductive reactance of the coil is approximately 119,380 Ω.
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