Physics

Question	Answer
What happens when a piece of plastic becomes negatively charged?	To become negatively charged an object gains electrons.
Why would a charged balloon stick to an uncharged wall?	The negative charge on the balloon induces a charge on the wall and so sticks.
How is a build up of static avoided when refuelling an aircraft?	Earthing both vehicles prevents the build up of static.
What can be said about a cloth and a plastic rod when they are rubbed together?	What can be said about a cloth and a plastic rod when they are rubbed together? You said: The cloth and rod have the same charge Incorrect. The cloth and the rod have equal but opposite charges when rubbed together.
If a charged object is brought near to an uncharged one, what happens?	They attract.
Where in an atom are the electrons?	Electrons are found in shells around the nucleus.
How does static electricity build up when walking on a carpet?	Carpets are not conductors of electricity and so are not part of a circuit. Friction allows static electricity to build up.
Which of the following is an advantage of static electricity?	Waste gases are cleaned of dust particles.

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	Created by MollieSimpson almost 12 years ago