| A | B |
|---|
| Electric Fields | The electric force per unit charge and the direction of the field is taken to directon of force it would exert on a positive charge. |
| Magnetic Fields | Areas where an object exhibits magnetic influence, such as attract or repel another magnetic object. |
| Magnetic Domain | The region where magnetic fields of atoms are aligned and grouped together. |
| Magnetic Poles | Points where magnetic field lines begin and end. |
| Direct Current | The charge of a current flows in one direction. |
| Alternating Current | Flow of electric charge periodically changes direction. |
| Electromagnet | Type of magnet that the magnetic field is produced by an electric current. |
| Electromagnetic Induction | Process of a conductor placed in a changing magnetic field causing production of a voltage across theh conductor. |
| Transformers | A device that changes or transforms voltage from one value to another either bigger or smaller using principle of electromagnetic induction. |
| Commutator | A device that changes the direction of a current. |
| Equivalent Resistance | Ideal capacitors and inductors in series with a resistance. |
| Voltage | Either direct or alternating; difference in charge between two points. |
| Resistance | A material's tendency to resist the current. |
| Current | The rate at which charge flows through a circuit. |
| Parallel Circuit | Has more than one resistor and has multiple pathways through which charges can flow; charges will continue to flow even if one item in circuit is broken. |
| Series Circuit | Two components that share the same node and current. |
