Question
You've decided to build a radio to listen to your favourite FM radio station, which broadcasts at 107.7 MHz. For the tuner, you'll be using
You've decided to build a radio to listen to your favourite FM radio station, which broadcasts at 107.7 MHz. For the tuner, you'll be using an RLC circuit, but the only inductor you happen to have on hand has a value of 0.250 H.
Unfortunately, there's another radio station which you don't want to listen to at a nearby frequency of 108.1 MHz. To prevent any interference from this 108.1 MHz radio station, you want the peak current from it to be no more than 0.240% of the peak current from your favourite 107.7 MHz station. What value of resistor should you use in your RLC circuit? (Assume the two stations have the same strength.)
Hint:You'll have to first calculate the value of the capacitor so that the radio tunes to 107.7 MHz.
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