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PS 09 Elec & Mag

8th Grade 2022

QuestionAnswer
What is the build up of electric charges by friction or other means. Static Electricity
Like charges ___. (+ and +, or - and -) Repel
Opposite charges ___. (+ and -) Attract
A release of electric charge. (shock, lightning) Static Discharge
The current is a measure of the rate of ______ of a circuit. Flow
All devices connected on their own path, each with its own full current. Parallel Circuit
All devices connected in one path, all sharing the same current. Series Circuit
Materials that behave as a conductor and insulator. (Silicon, Germanium) Semiconductors
An iron core wrapped with a current carrying wire to create a magnetic field. Electromagnet
How does removing a bulb from a series and parallel circuit differ? Series Circuit - Removing a bulb opens the whole circuit, parallel Circuit - Removing a bulb only affects the bulb removed.
How is the brightness of bulbs different between a series and parallel circuit? Parallel Circuit - The bulbs have their own current and are at full brightness.
The rate (how fast) electrons move through a circuit. Current
The amount of energy behind a moving charge. Voltage
Materials that allow heat and electricity through. (Metals) Conductors
Materials that do not allow heat and electricity through easily. (Wood, Plastic, Rubber, Glass, Paper) Insulators (Poor Conductors)
Converts electrical energy to mechanical energy. Electric Motor
Converts mechanical energy to electrical energy. Generator
Currents that moves back and forth in a circuit. Made by huge generators in power plants. Alternating current
Current that moves electrons in one direction. Made by batteries. Direct current
Created by: Mr. Dornfeld
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