For electricity to flow ... They are often used to power small devices such as a calculator. This circuit diagram shows the same circuit, but uses circuit symbols to represent the cell, bulb ...

Assemble the circuit shown in the diagram. Match the leads on the transistor ... to test how well other methods and materials conduct electricity. If possible, attach an oscilloscope to your ...

What you see above is a generator that converts heat to electricity ... In this case, the boost circuit is scavenged from an emergency phone charger and probably achieves higher efficiency ...