Across
- 2. an insulator
- 5. Subatomic particle with a negative charge
- 7. The first type of capacitor ever built
- 8. a device that stores energy in the form of an electrostatic field
- 9. these capacitors have a polarity
- 10. area of negative charge in a battery
- 11. area of positive charges in a battery
- 12. Unit of charge
Down
- 1. a device that stores energy chemically and creates a flow of electrons
- 3. these capacitors are used in high frequency applications
- 4. unit of capacitance
- 6. Older name for capacitor