7J1 Test Yourself on Electrical Circuits!
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| 1. | The resistance of a dimmer switch is not constant, it is ... (8 letters, beginning with v) | | 3. | A battery contains at least one of (4 letters) | | 4. | Measures electrical current (7 letters) | | 5. | Circuit without branches (6 letters) | | 7. | Another name for a cell (starts with b, 7 letters) | | 10. | Puts a break in a circuit (6 letters) | | 11. | Converts electrical energy to movement energy (its symbol is a capital M in a circle) (5 letters) | | 12. | Small piece of wire which 'blows' or melts when too much current flows (4 letters) |
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| 1. | Output of batteries is measured in this (5 letters) | | 2. | A cell or battery contains chemical ... (6 letters, starting with e) | | 3. | A cell or battery makes this flow (7 letters, starting with c) | | 6. | Stops current flowing (it's a bit like friction, 10 letters) | | 7. | Converts electrical energy to light energy (found in a torch) (4 letters) | | 8. | Type of switch used to control lights, making them gradually brighter or less bright (6 letters) | | 9. | Circuit with branches (8 letters) |
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