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Basic current charge
| Question | Answer |
|---|---|
| Moving charge is called | current |
| Charge is measured in | Coulombs |
| Conventional current flows | From positive to negative round a circuit |
| Charge can be moved round a circuit using | a cell |
| More than one cell is called | battery |
| The two types of charge are | positive and negative |
| The charge carried by electrons is | negative |
| Protons and some ions are charged | positively |
| In a metal wire charge is carried by | free electrons |
| The electrons drift in a wire when they experience | the electrical force from the cell |
| The direction electrons move in a wire | opposite to conventional current |
| A substance containing both free positive and negative charges is called an | electrolyte |
| The coulomb is defined as | that charge passing a point when 1 Amp flows for 1 second |
| The symbol for the quantity of current is | I |
| The unit for current is | Ampere (A) |
| The symbol for the quantity of Charge is | Q |
| The unit for charge is | Coulomb (C) |
| The equation linking charge and current | ΔQ=IxΔt |
| If 200 C pass in 20 seconds the current is | 10A |
| The charge on a single electron is | 1.6 x10-19C |
| How many electrons are in 1C | 6.25x1018 |
Created by:
Kenb
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