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# Static Electricity

What material becomes negatively charged when rubbed? Polythene
What material becomes positively charged when rubbed? Cellulose acetate
What is a conductor? A substance through which electric charge may flow
What is an insulator? A substance through which electric charge cannot flow
Where does static charge accumulate? Where the conductor is most pointed
State Coulomb's law. The point of attraction or repulsion between two points is directly proportionate to the product of the charges and inversely proportionate to the square of the distance between them.
What is an electric field? Any region of space where a static electric charge experiences a force other than gravity
What is the line of force? A line drawn showing the direction of the force
Name three applications of electric fields. Photocopying, electrostatic precipitators, and damaging integrated circuits
Define electric field strength. The force per unit charge at a given point
What is the unit of electric field strength? Newton per coulomb/ Volt per meter
Created by: JackEatonK98

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