PDF chapter test

### Theory

 1 Introduction to electricity 2 Electric current 3 Electric potential 4 Electric potential difference 5 Electric circuit 6 Other components in an electric circuit 7 Ohm's law 8 Conductors and insulators 9 Resistance 10 Electrical resistivity 11 Calculation of resistivity of a material 12 Conductance of a material 13 System of resistors 14 Resistances in parallel 15 Series and parallel connections 16 Heating effect of current 17 Joule's law of heating 18 Heating effect in electrical appliances 19 Other applications of heating effect 20 Electric power 21 Electrical energy 22 Domestic electric circuits 23 Overloading 24 LED bulb 25 LED television 26 Mind map

### Practice Questions

 1 Electrical appliances Difficulty: easy 2 2 Terms of electricity Difficulty: easy 2 3 Electrical components Difficulty: easy 3 4 Electrical units Difficulty: easy 2 5 Symbols of electrical components Difficulty: easy 2 6 Electrical instruments Difficulty: easy 2 7 Calculation of current Difficulty: easy 3 8 Circuit connections Difficulty: easy 3 9 Circuit current problem Difficulty: medium 3 10 Effective resistance Difficulty: medium 3 11 Potential difference Difficulty: medium 4 12 Resistance of a wire Difficulty: medium 4 13 Heating effect Difficulty: medium 3 14 Resistance calculation Difficulty: medium 3 15 Energy consumption Difficulty: medium 3 16 Consumption of current Difficulty: hard 5 17 Resistance analysis Difficulty: medium 6 18 Conductivity Difficulty: hard 9 19 Electrical connections Difficulty: hard 6 20 Electric bulb Difficulty: hard 5 21 Electrical components in a circuit Difficulty: hard 6 22 Differences between electrical terms Difficulty: hard 6 23 Total resistance in a circuit Difficulty: hard 10 24 Potential difference across the resistors Difficulty: medium 3

### Tests

 1 Training test 1 Difficulty: easy 8 2 Training test 2 Difficulty: medium 9

### Teacher manual

 1 Methodical recommendation