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electric circuits 7
| Question | Answer |
|---|---|
| What makes up a circuit? | Battery, globe, connecting wire & switch. |
| What connects everything together? | connecting wire |
| What types of circuit are there? | Parallel and Series |
| Does the switch have to be open or closed for the globe to glow? | Closed |
| Does a parallel or a series circuit have a brighter globe | Parallel |
| Does the globe last longer in a paralell circuit or a series circuit? | Series |
| What is electricity sold in? | Kilowatt hours |
| What is power measured in? | Watts (W)or Kilowatts (kW) |
| What is used to measure the current flowing? | Ammeter |
| Can electricity travel through an insulator? | No |
| What types of insulators are there? | Plastics. foams, rubber,wood. |
| What types of conductors are there? | metal, steel, iron. |
| Where does electricity originally come from? | burning coal |
| What other ways can make electrical energy? | solar panels and wind farms |
| The amount of energy a cell can supply in a circuit is: | voltage |
| the difficulty it is for a current to pass through is: | resistance |
| the flow of electrons is called: | circuit |
| the tiny particles that flow in an electric current are called: | electrons |
| the controlling of the electricity: | switch |
| the current can be measured in: | ohms |
| Is the covering on a cable an insulator or a conductor? | insulator |
| Can electric shocks be helpful? | yes |
| Can electric shocks kill you? | yes |