Across
- 3. condition of a system that describes opposing physical characteristics.
- 6. interaction of electric currents (or fields) and magnetic fields.
- 7. electric circuit where the switch is connected (or closed), allowing electricity to flow through the circuit.
- 9. material that is a poor conductor of electric current.
- 11. amount of electrical potential energy that each unit of electric charge has.
- 12. property of a material that describes its ability to exert a force on a magnet or a magnetic material.
- 16. electric circuit where the resistance is very low or near zero, resulting in high current flow that exceeds the circuit’s design limits and can damage the components.
- 18. electrical device that resists the flow of electric current.
- 24. difference in the electric potential between two locations.; interchangeable with voltage.
- 28. buildup of electrical charge, either positive or negative, on the surface of an insulating material.
- 29. flow of electric current through a conductor, such as a wire.
- 30. total or combined resistance of a circuit with more than one resistor.
Down
- 1. electrical potential energy per unit charge for an electric field.
- 2. attraction or repulsion between two charged objects is inversely related to the square of the distance between them and directly related to the magnitude of each of the charges.
- 4. material that offers low resistance to the flow of electric current.
- 5. symbol used to represent a component of a circuit in a circuit diagram.
- 8. current in an electric circuit is proportional to the voltage applied and inversely proportional to the resistance, or I = V/R.
- 10. electric circuit where the electric current can take more than one path.
- 13. electric circuit with a break that prevents electricity from flowing through it.
- 14. opposition that a conducting material/device offers to resist the flow of current.
- 15. sum of the voltage drops (voltage differences) around a closed loop equals zero.
- 17. rotating part of an electric motor containing electromagnets.
- 19. device that transforms/converts chemical energy into electrical energy or electric current.
- 20. a type of substance, such as iron, that experiences strong magnetic forces when in the presence of a magnet.
- 21. electric circuit where the electric current has only one path.
- 22. safety device in a circuit that stops the flow of current when a maximum current is exceeded.
- 23. flow of electric charges, usually in wires or other conductors. Measured in amperes (A).
- 25. electrical device that has a complete or continuous path that electricity can flow through.
- 26. force field created by electric charge.
- 27. scientific instrument used to detect charged objects.