An LC circuit with L = 45 mH is used in a radio to determine thefrequency of a s

Question

An LC circuit with L = 45 mH is used in a radio to determine thefrequency of a selected radio station. The station's frequency isequal to the resonant frequency of the circuit. (a) The radio is initially set for a frequencyf = 1.10 MHz. What is thevalue of C?
1 F

(b) This capacitance is then increased by 25%. What is the new resonant frequency?
2 MHz

Please show all work thanks ! (a) The radio is initially set for a frequencyf = 1.10 MHz. What is thevalue of C?
1 F

(b) This capacitance is then increased by 25%. What is the new resonant frequency?
2 MHz

Please show all work thanks !

Explanation / Answer

a) C=1/(L2) =2f b) C from above * 125% =C2 then =(1/LC2)    f=/2 then convert to MHz (M=106)

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