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Questions and Answers
How can you reduce the risk of damage by an electric current?
How can you reduce the risk of damage by an electric current?
Earth the object by connecting it to the Earth with a conductor, similar to a lightning conductor.
What is the purpose of earthing fuel pipes in cars and planes?
What is the purpose of earthing fuel pipes in cars and planes?
To reduce the risk of sparks and potential fire by allowing any charge to flow down the wire to the Earth.
How do electronics engineers reduce the risk of damage to delicate electrical components in circuits?
How do electronics engineers reduce the risk of damage to delicate electrical components in circuits?
They wear special wristbands connected to a metal wire that goes to the ground, allowing any charge to flow down to Earth rather than through the delicate components.
What causes people to feel small shocks when touching certain objects, such as car doors or door handles?
What causes people to feel small shocks when touching certain objects, such as car doors or door handles?
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What are the potential dangers of lightning striking a person?
What are the potential dangers of lightning striking a person?
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How can electric shocks from lightning affect a person's heart?
How can electric shocks from lightning affect a person's heart?
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What do doctors use an electric current for in hospitals during emergencies?
What do doctors use an electric current for in hospitals during emergencies?
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How can the use of a lightning conductor help protect buildings during a thunderstorm?
How can the use of a lightning conductor help protect buildings during a thunderstorm?
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Why can plastic become charged if you rub it, but not metal?
Why can plastic become charged if you rub it, but not metal?
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A student says that the rods repel because they have poles like magnets. Is she correct? Explain your answer.
A student says that the rods repel because they have poles like magnets. Is she correct? Explain your answer.
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How is a spark related to the movement of electric charge through the air?
How is a spark related to the movement of electric charge through the air?
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Explain how electrostatic phenomena can lead to lightning in thunderclouds.
Explain how electrostatic phenomena can lead to lightning in thunderclouds.
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