SSC JE Electrical Engineering 23 Jan 2018 Morning Paper

Question : 139 of 200

Marks: +1, -0

Calculate the value of capacitance (in µF) connected in parallel with a inductance of 3 H, when the resonant frequency of the circuit is 4 red/sec.

Solution:

Now

ω=1/√{LC}⇒ω^2=1/{LC}

⇒C=1/{Lω^2}=1/{3×16}

= 20.83 mf

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