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6. Direct current is used for...
- Cells / Batteries
- Mains Supply
7. Potential difference is another name for Voltage...
8. Resistance is measured in...
- Power difference
- Ohms
- Volts
- Resisties
9. Which one of these DOESN'T resist the flow of charge?
- Lamps
- Motors
- Cells
- Resistors
10. A 4Watt light bulb works at a current of 2A. What is the potential difference?
11. Electrons are ____________ charged.
12. Which of these electrical appliances has the highest efficiency?
- Electric Motor
- Television
- Kettle
- Light Bulb