Save guides, add subjects and pick up where you left off with your BBC account. Slip rings maintain constant contact with the same sides of the coil As one side of the coil moves up through the ...

The circuit inside uses a MAX038 high-frequency generator chip. This is a full-featured part that allows for great control based on a few external components. One of those is a selectable ...

In a dynamo, a split ring commutator changes the coil connections every half turn. As the induced potential difference is about to change direction, the connections are reversed. This means that ...