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Current electricity
current electricity
Question | Answer |
---|---|
What is an electric current? | A flow of electric charge |
What are conductors? | Substances which allow electric current to flow through them freely |
What are insulators? | Substances which do not allow electric current to flow through them |
What is a battery? | An electrical pump that pumps electrons around a circut |
What is current measured in? | amps (A). It is measured with an ammeter. |
What is resistance? | The ability a substance has to resist the flow of energy in a circut |