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Questions and Answers
What causes the spark and slight shock when you touch a metal doorknob after rubbing your shoes against the carpet?
What causes the spark and slight shock when you touch a metal doorknob after rubbing your shoes against the carpet?
- The passage of electrons from your body to the metal knob (correct)
- The transfer of protons from your body to the metal knob
- The generation of heat from the friction between your shoes and the carpet
- The creation of a magnetic field around the doorknob
How is lightning formed?
How is lightning formed?
- By the movement of protons from cloud to cloud
- By the generation of heat in the clouds
- By the charge created when water and ice rub together in the clouds (correct)
- By the formation of a magnetic field in the atmosphere
What allows easy travel of electricity?
What allows easy travel of electricity?
- Conductors (correct)
- Insulators
- Magnets
- Superconductors
Where does the electrical current come from when you turn on your lamp?
Where does the electrical current come from when you turn on your lamp?
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What is a power plant?
What is a power plant?
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