Electricity and Magnetism
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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electric charge | a property that leads to electromagnetic interactions between the particles that make up matter
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static electricity | the buildup of electric charge on an object
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electrical conductor | material through which charges can move freely
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electrical insulator | material through which charges cannot move easily
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semiconductor | special class of materials that conduct electric charges better than electrical insulators but not as well as electrical conductors
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electric current | the rate of flow of electric charges
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voltage | the amount of work required to move each unit of charge between two points
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resistance | the opposition to the flow of electric charge
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electric circuit | a complete closed path through which electric charges can flow
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series circuit | all parts are connected in a row that forms one path for the electric charges to follow
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parallel circuit | electric charges have more than one path that they can follow
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magnet | material that attracts iron or objects made of iron
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magnetic force | a push or pull created by two magnets
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magnetic pole | magnet ends
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magnetic field | the are surrounding a magnet where magnetic forces can be detected
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electromagnetism | when electric currents and magnetic fields interact with each other
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solenoid | a coil of wire that carries an electric current and produces a magnetic field
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electromagnet | solenoid wrapped around an iron core
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electric motor | changes electrical energy into mechanical energy
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electromagnetic induction | using a magnetic field to create an electric current in a wire
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transformer | uses induction to increase or decrease the voltage of alternating current
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electric generator | use induction to change mechanical energy into electrical energy
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electronic device | able to control the flow of electrons using integrated circuits
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integrated circuit | a single, tint chip of specially treated silicon containing many circuit parts
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analog signal | signals that change continuously in a given range
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digital signal | a sequence of separate values
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computer | an electronic device that performs tasks by following instructions given to it
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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