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Theory

Exercises

1. Basics of electricity

Difficulty: easy

2
2. Electrical appliances

Difficulty: easy

2
3. Circuit connections

Difficulty: easy

3
4. Electrical components

Difficulty: easy

3
5. Symbols of electrical devices

Difficulty: easy

2
6. Electrical instruments

Difficulty: easy

2
7. Calculation of current

Difficulty: medium

3
8. Effective resistance

Difficulty: medium

4
9. Potential difference across the resistors

Difficulty: medium

6
10. Circuit current problem

Difficulty: medium

4
11. Potential difference

Difficulty: medium

4
12. Resistance of a wire

Difficulty: medium

4
13. Heating effect in appliances

Difficulty: medium

6
14. Resistance calculation

Difficulty: medium

5
15. Energy consumption

Difficulty: medium

6
16. Resistance analysis

Difficulty: medium

6
17. Consumption of current

Difficulty: hard

6
18. Differences between electrical terms

Difficulty: hard

6
19. Total resistance

Difficulty: hard

7
20. Conductivity

Difficulty: hard

9
21. Electrical connections

Difficulty: hard

6
22. Electric bulb

Difficulty: hard

7
23. Electrical components in a circuit

Difficulty: hard

6

Tests

1. Training test 1

Difficulty: medium

7
2. Training test 2

Difficulty: medium

10

Teacher manual