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Grade 7 CH 7

Electricity and Magnetism

QuestionAnswer
The transfer of electric charge between objects in contact. CHARGING BY CONTACT
The rearrangement of electric charge due to the presence of an electric field. CHARGING BY INDUCTION
Materials in which electric charges do not move easily. INSULATOR
Materials in which electric charges move easily. CONDUCTOR
The inbalance of electric charge on an object. STATIC CHARGE
The movement of static charge from one place to another. ELECTRIC DISCHARGE
The flow of electric charges. ELECTRIC CURRENT
A closed path in which electric charges can flow. ELECTRIC CIRCUIT
The measure of how difficult it is for electrons to flow in an object. ELECTRIC RESISTANCE
The measure of the amount of electrical energy transferred by an electric charge as it moves from one point to another in a circuit. VOLTAGE
Devices connected so there is only one closed path for the current to follow. SERIES CIRCUIT
Devices connected so there is more than one path for the current to follow. PARALLEL CIRCUIT
A group of atoms that have their magnetic poles pointing in the same direction. MAGNETIC DOMAIN
A current carrying wire wrapped around an iron core. ELECTROMAGNET
The production of an electric current by moving a magnet and a loop relative to each other. ELECTROMAGNETIC INDUCTION
Created by: Bridgerdon
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