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Electricity and Magnetism
| Question | Answer |
|---|---|
| Atoms that have a positive charge will be attracted to an atom with what charge? | A negative charge |
| Which force only works by combining electric and magnetic forces? | Electromagnetism |
| What force occurs when ions create attractive and repulsive forces? | Electric |
| What force occurs when there is an attractive and repulsive force between two poles? | Magnetic |
| What happens to a magnetic field when the magnet moves farther away? | It gets weaker |
| What will opposites do? (In reference to magnets) | Attract |
| Electric charges that do not move through a current are? | Static Electricity |
| What is created when electrons flow through wires from a negative terminal to a positive terminal | A current |
| What is the area around an electric charge that experiences the force exerted by the electric charge? | Electric Field |
| An electric field that is positive moves? | outward from the charge |
| What makes an electromagnet stronger? | More coils of wire or a stronger current |
| A current flowing through a wire is surrounded by what? | Magnetic field |
| What is electric current measured in? | Amperes (Amps) |
| What are the two types of charges in electric forces? | Positive and Negative |
| What is the invisible force that is created when electrons spin in the same direction called? | Magnetism |
| What charge do electrons have? | Negative |
| What charge do protons have? | Positive |
| What is the difference in the strength of electric charges measured in? | Volts |
| What type of electricity involves electrons moving only in one direction down a wire? | Direct Current (DC) |
| What type of electricity involves electrons switching directions many times a second in a wire? | Alternating Current (AC) |
| What are materials that allow electricity to pass through them called? | Conductors |
| What are materials that prevent electricity from passing through called? | Insulators |
| What creates Earth's magnetic field | The liquid iron core |
| What is the Right Hand Rule | A rule that shows how the magnetic field flows around a wire in comparison to the direction of the electrical current. |
| How is lightning produced? | It is created by a difference of ions that happens when there is a strong negative charge in a cloud and a positive charge on Earth or in another cloud |
Created by:
25jwestbay