I've been studying about electronics for about 8 months. I have a question about tunning a radio. Tunning a radio is usually done by a variable capacitor or variable inductor. Why can't u tune using a variable resistor. They are much cheaper and smaller.
Tunning
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Hi,
I've been studying about electronics for about 8 months. I have a question about tunning a radio. Tunning a radio is usually done by a variable capacitor or variable inductor. Why can't u tune using a variable resistor. They are much cheaper and smaller.
Thanks a lot