Static Electricity Quiz
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5 questions, one answer each
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1. Which of these is an electrical insulator?
- A. Copper
- B. Aluminium
- C. Plastic
- D. Iron
2. What causes an object to become positively charged by friction?
- A. It gains electrons
- B. It gains protons
- C. It loses electrons
- D. It loses protons
3. What happens when two negatively charged objects are brought close together?
- A. They attract
- B. They repel
- C. Nothing happens
- D. They become neutral
4. Why is there a danger of explosion when fuelling an aircraft?
- A. The fuel is radioactive
- B. Static charge build-up can spark and ignite fuel vapour
- C. The aircraft generates a magnetic field
- D. The fuel is a strong conductor
5. How does a photocopier use static electricity?
- A. It uses charge to melt the toner directly onto paper without an image
- B. It uses static charge to attract toner powder onto a charged image, which is transferred to paper
- C. It uses magnetism to print text
- D. It uses static charge to erase ink