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Across 1. The filaments of electric bulbs are generally made of __________________. 3. The device that converts chemical energy in to elctricity. 4. The thin metallic spring which gives us ligh. 5. Material that passes electricity. 7. combination of electric cell. 8. The device used to make or break the simple electric circuit

Down 1. The ends of an electric bulb through which electricity is passed in to glow it. 2. The energy used by the torch bulb from the battery 5. The path of the current in a closed electric circuit. 6. If the filament of the bulb is broken, it is said tobe_________________. 7. Gives light to us