SSC JE Electrical Engineering 22 Jan 2018 Morning Paper

Question : 140 of 200

Marks: +1, -0

What will be the resonant frequency (in kHz) of a tank circuit when the capacitance and inductance of the circuit is 0.04 mF and 0.04 mH respectively?

Validate

Solution:

Given data,
C = 0.04 mf = 0.04 × 10

^{–3}

f and L = 0.04 mf

∴\f=1/{2π√{LC}}

=1/{2π√{ 0.04×10^{-3}×0.04×10^{-3}}}

= 3.98 kHz ≈ 4kHz

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