Across
- 1. device that transforms or converts chemical energy into electrical energy or electric current.
- 3. symbol used to represent a component of a circuit in a circuit diagram.
- 4. An instrument for measuring electric current in amperes
- 7. electrical device that has a complete or continuous path that electricity can flow through.
- 8. flow of electric charges, usually in wires or other conductors. Measured in amperes (A).
- 10. a soft metal core made into a magnet by the passage of electric current through a coil surrounding it.
- 12. difference in the electric potential between two locations.
- 14. unit of electric potential and electric potential difference.
- 15. instrument to measure the voltage, or potential difference, across one or more components of a closed circuit.
- 17. safety device in a circuit that stops the flow of current when a maximum current is exceeded.
- 20. material that is a poor conductor of electric current.
- 21. The process by which heat or electricity is directly transmitted through a substance when there is a difference of temperature or of electrical potential between adjoining regions, without movement of the material.
- 24. Flow of electric current through a conductor, such as a wire.
- 27. unit of electric current, equivalent to one coulomb of charge per second.
- 29. sum of all currents entering a junction must equal the sum of all currents exiting that junction.
- 31. An electric current that reverses its direction many times a second at regular intervals, typically used in power supplies.
Down
- 2. An electric generator is a device that converts mechanical energy to electrical energy.
- 5. electric circuit where the electric current can take more than one path.
- 6. The opposite of a closed circuit.
- 9. electric circuit where the resistance is very low or near zero
- 11. electric circuit where the electric current has only one path.
- 13. The opposite of an open circuit.
- 16. opposition that a conducting material or device offers to resist the flow of current. Measured in ohms (Ω).
- 18. electrical device that resists the flow of electric current.
- 19. instrument with different settings that can measure current (ammeter), voltage (voltmeter), or resistance (ohmmeter).
- 22. unit of electrical resistance.
- 23. measure of consumed energy typically used by power companies.
- 25. Production of an electric current by changing the magnetic field enclosed by an electrical circuit.
- 26. An electric current flowing in one direction only.
- 28. Named in honor of Georg Simon Ohm.
- 30. amount of electrical potential energy that each unit of electric charge has.