Topic 1 Resonance

What is the condition for resonance in a series circuit?

Topic 2 Electromagnetic Waves

Explain qualitatively how electromagnetic waves are produced.

Examples

Old fashioned home-brew crystal radio receivers used a coil wound on an oatmeal tube in parallel with a capacitor to tune the receiver. We will calculate the capacitance for a reasonable 230 µH coil. AM Medium wave  frequency band is 520–1,710 kHz. We will use the oldest surviving Arkansas radio station, which is KUOA 1290 AM, (first to go on the air in 1923).

Textbook Problems