Circuit Conundrums

5. The number of cycles per second in an alternating current.
6. A reference point in an electrical circuit from which voltages are measured.
7. A device that increases the power of a signal.
9. A semiconductor device that allows current to flow in one direction only.
12. A device consisting of one or more electrochemical cells that convert stored chemical energy into electrical energy.
13. A device that detects or measures a physical property and records, indicates, or otherwise responds to it.
14. A safety device that protects an electrical circuit by melting and breaking the circuit when current exceeds a certain level.
15. The total resistance to the flow of current in an AC circuit.
16. A passive component that stores energy in a magnetic field.
20. A high-gain electronic voltage amplifier with differential inputs.
21. A device that converts alternating current (AC) to direct current (DC).
22. A circuit that produces a continuous, oscillating electrical signal.

1. A type of diode that allows current to flow in the reverse direction when a certain specified voltage is reached.
2. A semiconductor device used to amplify or switch electronic signals.
3. A board used for mounting electronic components and connecting them with conductive pathways.
4. An electrical impulse or radio wave transmitted or received.
8. A measure of the opposition to magnetic flux in a magnetic circuit.
10. A complete and closed path around which a circulating electric current can flow.
11. A device used to resist the flow of electric current.
17. A component that stores electrical energy in an electric field.
18. The shape and form of a signal wave represented on a graph.
19. A type of signal that is continuous and varies over time.