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Field magnet, armature, commutator, battery.
What are the parts of a simple DC motor.
The most important device for converting electricity into motion.
What is a motor?
He discovered lightning is caused by static electricity.
Who is Benjamin Franklin?
The voltage of five 1.5V batteries when arranged in series.
What is 7.5V?
Long, coiled tube that fits in a regular lamp socket.
What is a compact fluorescent lamp?
Field magnet, slip rings, armature, household plug.
What is a simple AC motor?
Acts as an electrical switch to turn on another circuit.
What is a relay?
He developed the lightning rod.
Who is Benjamin Franklin?
The voltage of five 1.5V batteries arranged in parallel?
What is 1.5 volts?
A lamp with a semiconductor that emits light when a direct current is applied to it.
What is a light emitting diode?
Coal fired steam boiler, turbine, generator, transmission lines.
What is an AC generator in a power plant?
Samuel Morse developed communication across a wire using long and short clicks with an electromagnet in this device.
What is a telegraph?
An American scientist who invented the most common generator of static electricity.
Who is Robert Van de Graaf?
The amps of a current from two 1.5 V, 0.5 amp batteries arranged in parallel.
What is 1.0 amps?
A lamp that is super energy efficient and can last for a decade of normal use.
What is an LED?
Hand-crank pulley, field magnet, armature, commutator, light bulb.
What is a DC generator?
Used for door locks, an electromagnet attracts a rod when electricity is applied to unlock the door with this device.
What is a solenoid?
He found that moving a magnet through a coil of wire caused an electric current in the wire when lines of flux were cut.
Who is Michael Faraday?
The number of turns needed to increase AC current from 5 volts to 50 volts when the input is 2 turns on a step-up transformer.
What is 20 turns?
Contains a tungsten filament that glows brightly and heats up when electricity is applied to it.
What is an incandescent light bulb?
Drive pulley, field magnet, armature, slip ring, shaft.
What is a car alternator?
Pulsating electric current applied to an electromagnet causes a pulsating magnetic field that pulsates a cone shaped object back and forth creating sound waves.
What is a loud speaker?
Developed the Leyden jar for storing static electricity.
Who is Musschenbroek?
The reason why mercury vapor atoms emit UV light when electrons bombard them.
What is mercury atom electrons going from a high energy level to a low energy level?