# Shared Flashcard Set

## Details

Unit 8
¡¡¡¡¡ELECTROSTATICS!!!!!
30
Physics
01/03/2013

Term
 What is electrostatics?
Definition
 Electricity at rest
Term
Definition
 - Protons- Electrons- Neutrons
Term
 What are the charges of particles?
Definition
 P= +E= -N= 0
Term
 Like charges ______.
Definition
 repeal
Term
 Different charges _______.
Definition
 attract
Term
 What is the force created by charge interactions called?
Definition
 Electric forces
Term
 What is stronger, the gravitational force or the electric force?
Definition
 Electric force, DuhH ...|_
Term
 Positive/negative refers to the _________________.
Definition
 electrical charge
Term
 Most atoms have ______________.
Definition
 Neutral charge
Term
 What do you call charged particle?
Definition
 Ion
Term
 When do you get an ion?
Definition
Term
 Review Glass-Silk Example
Definition
 ¡¡¡¡¡I said to do it!!!!! ...|_ ¿¿¿¿¿Que tu no DO IT?????
Term
 What is the equation for force?
Definition
 q1q2 F=K --------      d
Term
 What is represented by the q1 and the q2 in the equation for force?
Definition
 Charges of the particles 1 & 2
Term
 What is represented by k in the equation for force?
Definition
 239x10
Term
 What is the unit of charge?
Definition
 Coulomb(C)1C=6.25 billion billion
Term
 Materials that give away electrons easily are called __________.
Definition
 Conductors
Term
 Materials where the elecrtons are tightly bound are called __________.
Definition
 insulators
Term
 What do you call materials that can behave like both conductors and insulators?
Definition
 semi-conductors
Term
 What are two ways that charging can occur?
Definition
 1. Friction 2. Induction
Term
 What happens in charging by friction?
Definition
 Electrons "rub off"
Term
 What happens in charging by induction?
Definition
 Material is charged with no contact
Term
 What is an electric field?
Definition
 The space around any electrically charged body is filled with the electric field
Term
 ΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩ αβγδεζηθικλμνξοπρστυφχψω
Definition
 Greek alphabet…Greek alphabet…Greek alphabet…
Term
 What is electric potential energy?
Definition
 The energy a partical posseses due to its position in the electric field
Term
 What is electric potential?
Definition
 The amount of electric potential energy in a partical p;er unit of charge
Term
 What is the unit of electric potential?
Definition
 Volt (V)
Term
 What does electric potential tell us?
Definition
 How much work can be done on a particle per unit of charge
Term
 What is a device for storing EPE?
Definition
 a capacitor
Term
 Are capacitors dangerous?
Definition
 DuH  …L
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