Show:
Definitions part one
Definitions part two
Examples part one
Examples part two
Scientists
100
the region of space surrounding electrically charged particles and magnetic fields
What is an electric field?
100
A device for reversing the direction of flow of electric current
What is a commutator?
100
The electric circuits in your house
What is an example of alternating current?
100
A flashlight
What is an example of direct current?
100
A British scientist, chemist, physicist and philosopher who greatly contributed to the fields of electromagnetism and electrochemistry. His main discoveries include that of the Magnetic Field, Electromagnetic Induction, Diamagnetism and Electrolysis
Who is Michael Faraday?
200
a current in which charges flow in one direction
What is direct current?
200
A resistance that represents the total ohmic values of a circuit component or group of circuit components
What is equivalent resistance?
200
An American entrepreneur and engineer who invented the railway air brake and was a pioneer of the electrical industry
Who is George Westinghouse?
300
A soft metal core made into a magnet by the passage of electric current through a coil surrounding it
What is an electromagnet?
300
An apparatus for reducing or increasing the voltage of an alternating current.
What is a transformer?
300
An African American inventor and draftsman who invented the process for manufacturing the carbon filaments in light bulbs
Who is Lewis Latimer?
400
the locations of the strongest magnetic force; usually at opposite ends of a magnet
What are magnetic poles?
400
a current in which charges flow in more than one direction
What is alternating current?
400
An American inventor and businessman. He developed many devices that greatly influenced life around the world, including the phonograph, the motion picture camera, and a long-lasting, practical electric light bulb
Who is Thomas Edison?
500
the production of an electric current across a conductor moving through a magnetic field
What is electromagnetic induction?
500
For double points, answer both correctly: 1) the area of influence exerted by a magnetic force 2) region in which the magnetic fields of atoms are grouped together and aligned
What is a magnetic field? What is a magnetic domain?
500
a magnetic dipole that exists on Earth at its northernmost tip and its southernmost tip
What is an example of magnetic poles?
500
The Wizard of Menlo Park
What is Thomas Edison's nickname?