Application Flashcards
After being charged, what charge will a neutral object become?
After being charged by a charged object, a neutral object will receive the same charge, either positive or negative depending on what the object was charged as.
What will be the resulting charges of charging by friction?
By using an electrostatic series chart, you will be able to tell which object will transfer electrons and whatever one can transfer will become positively charged while the other, negatively charged.
What are the resulting charges of charging by conduction?
Both objects will receive the same charge (neutral will receive whatever charge it is given, both charged same will remain the same and positive and negative, whatever charge is larger will give the same charge).
What are the resulting charges of charging by induction?
The objects will receive opposite charges (the object that induces the charge will remain the same and the other will be the opposite).
Explain charged induced separation.
Charged induced separation occurs when a charged object is brought close to a neutral object and the electrons shift but none are transferred so once the charged object is moved away, the electrons will move back to their original positions.
Which direction do electrons flow in grounding?
Positive object- electrons move from the ground up to it
Negative object- electrons move from the object to the ground
How can you use a charged electroscope to identify insulators and conductors?
An insulator won’t cause any movement to the electroscope so it will stay charged.
A conductor will allow movement so the electroscope will return to neutral.
How do you temporarily and permanently charge an object by induction?
To temporarily charge an object, you bring a charged object close to a neutral object and then it will return neutral once the charged object is moved away.
To permanently charge an object, you bring a charged object close to a neutral object and then ground it before you move the charged object away from it so electrons can transfer.
What are the resulting charges of temporarily and permanently charges by induction?
Temporary- original charges
Permanently- opposite charges
What is a pith ball electroscope?
A pith ball electroscope is a simple device used to detect the presence of electric charges.
How are charges transferred using a pith ball electroscope?
If the pith ball electroscope is neutral and a negatively charged object touches it, excess electrons from the negatively charged object will transfer and if a positively charged object touches it, electrons will transfer from the neutral object to the positive object.
The charged object will transfer the same charge to a pith ball.
What is a Van de Graaf generator?
It is an electrostatic machine that generates high voltages.
How does a Van de Graaf generator work?
Friction removes electrons, electrons are carried to the sphere and the sphere charges.
Charges generate on a belt, collecting a charge to the sphere and transfers to a dome/sphere which accumulates a large charge.
