A Series RLC Circuit in a Radio Is in Resonance

question 28

Multiple Choice

A series RLC circuit in a radio is in resonance with AM 700 kHz.If the radio station is changed to AM 2100 kHz,by what factor must the capacitance be multiplied to again achieve resonance?

• A)​9
• B)3
• C)1
• D)1/3
• E)​1/9

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