Questions
An inductor of inductance 100mH is connected in series with a resistance, a variable capacitance and an AC source of frequency 2.0 kHz. the value of the capacitance so that maximum current may be drawn into the circuit.
detailed solution
Correct option is C
Given L=100mH, f=2kHz, C=? f=12πLC⇒c=14π2f2L =14π2×4×106×100×10−3 =116×106 =0.0625×10−6 =62.5nF ≈63nFTalk to our academic expert!
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