445936
| Pregunta | Respuesta |
| What is an electric current? | A flow of electric charge |
| What are conductors? | Conductors are substances which allow electric current to flow through them freely |
| What are insulators? | Insulators are substances which do not allow current to pass through them freely eg. wood |
| What is a battery/ power pack? | An electrical pump that pumps electrons around a circuit |
| which regions are electrons pumped from and to? | from a region of high electrical pressure(negative terminal) to a region of low electrical pressure (positive terminal) |
| What is the electrical pressure difference between the negative and positive terminals called? | The potential difference/ voltage. (measured in volts (V) using voltmeter ) |
| What is used to measure an electric flow/ current and its unit. | A current (I) is measured in amps (A) using an ammeter. |
¿Quieres crear tus propias Fichas gratiscon GoConqr? Más información.