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Question Number 41121 by Necxx last updated on 02/Aug/18
$${Radio}\:{Karneston}\:{broadcasts}\:{at}\:\mathrm{891}{kHz}. \\ $$$${A}\:{student}\:{made}\:{a}\:{radio}\:{to}\:{receive} \\ $$$${the}\:{station}\:{using}\:{an}\:{L}-{C}\:{oscillator} \\ $$$${circuit}\:{with}\:{an}\:{inductor}\:{of}\:{fixed} \\ $$$${inductance},\mathrm{0}.\mathrm{16}{mH}\:{and}\:{a}\:{variable}\circledast \\ $$$${capacitor}.{At}\:{what}\:{value}\:{of} \\ $$$${capacitance}\:{will}\:{the}\:{student}\:{receive} \\ $$$${the}\:{station}? \\ $$