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WorksheetsTransfer of electric charge
Total questions: 22
Worksheet time: 11mins
What happens when two neutral objects are rubbed together?
Both objects become negatively charged
Both objects remain neutral
One object becomes positively charged and the other negatively charged
Both objects become positively charged
What is the result of charging by conduction?
No charge is transferred
Both objects become negatively charged
Both objects end up with the same charge
Both objects share a neutral charge
What occurs during charging by induction without a grounding wire?
The charged object loses all its charge
The neutral object remains neutral after the charged object is removed
The neutral object becomes permanently charged
The neutral object becomes temporarily negatively charged
What is the role of a grounding wire in charging by induction?
It prevents any charge transfer
It transfers positive charge only
It allows like charges to leave the neutral object
It attracts more charge to the neutral object
According to Coulomb's Law, what determines the force between two charges?
The type of material of the charges
The product of the charges and the square of the distance between them
The distance between the charges only
The sum of the charges only
What is static electricity?
A flow of electric current through a conductor
A type of electricity that powers vehicles
The accumulation of electric charges on an object
The discharge of electricity in appliances
What is the effect of a positive charge placed at one end of a uniformly charged rod?
Negative charges are attracted towards the positive charge
The rod becomes neutral
The rod loses its charge gradually
Charges at both ends of the rod are repelled
What describes the electron transfer process?
The exchange of neutrons in a chemical reaction
The movement of protons between atoms
The movement or exchange of electrons from one atom to another
The transfer of energy between molecules
What is the result of a permanent induction charging process?
The charged object becomes neutral
The neutral object becomes permanently charged opposite to the original charged object
The neutral object remains neutral
Both objects become equally charged
How does the grounding wire function in an electrical system?
It amplifies electrical energy
It provides a path for excess electricity to dissipate safely
It blocks electricity from escaping
It converts electrical energy into mechanical energy
What is the primary difference between charging by conduction and charging by induction?
Conduction involves physical touch, induction does not
Induction involves physical touch, conduction does not
Both methods involve high temperatures
Both methods result in the objects losing charge
Electrons are added to a conducting sphere that is on an insulating stand. What happens next?
Electrons stay in the location where they were added.
Electrons repel each other and move freely to spread out on the metal.
Electrons attract each other and clump up on the top of the sphere.
Electrons will move through the sphere and the insulating stand to the ground.
Why does a Van de Graaff generator make your hair stand up if you touch the dome?
The current is trying to flow out of the hair ends.
The electrons gather on the hair ends and repel each other.
The hair is repelled by the dome of the Van de Graaff generator.
The hair is attracted to the surrounding air.
When a plastic rod is rubbed with fur, the rod becomes
Positively charged by gaining protons
Positively charged by losing electrons
Negatively charged by gaining electrons
Negatively charged by losing protons
How does friction build up charges in objects?
Electrons are forced off of the surface of one object and onto another when they are rubbed together.
A charged object repels particles in a neutral object, separating its charges.
Electrons transfer from one object to another by direct contact or a spark.
Protons transfer from one object to another when they are rubbed together.
Which statement is true of a positively charged object?
Positively charged objects do not contain any electrons.
Positively charged objects do not contain neutrons or electrons.
There is a lack of electrons on a positively charged object.
The protons and the electrons are both positively charged on such objects.
The process of transferring charge by touching is called _______.
covalent charging
charging by conduction
electron exchange
charge conveyance
During induction, grounding is necessary in order for the neutral object to become charged.
true
false
When you take your clothes out from the dryer, sometimes there is static electricity on the clothes. This is caused by:
Induction
Conduction
Friction
None of the above
