Inventions
First Country To Use Practical Magnetism
Who were the Chinese?
Limits the current in a DC circuit
What is a resistor?
The three inventors of the transistor (any one of the three)
Who were Bardeen, Brittain, and Shockley?
Supply voltage can be either a potato, vinegar, or lemon juice?
What is the clock?
Frequency of the wave coming out of the standard USA electrical wall socket.
60 cycles/sec or Hz.
First country to observe static electricity
Who were the Greeks?
Stores Energy in an electric field.
What is a capacitor?
Two-terminal device that lets current flow in one direction only.
What is a diode?
Electric motor "car" that tracks a light source.
What is Photobug?
The color of the connector on the trainer giving a constant +5 volt output.
What is red?
The first person (Last Name) to stack several cells together to make a multi-cell BATTERY.
Who was Volta?
Stores energy in a magnetic field
What is an Inductor (coil acceptable)?
Two terminal solid state voltage regulator.
What is a zener diode?
Call sign of the radio station run by the National Bureau of standards that provides extremely accurate time signals (either Ft. Collins CO or Hawaii are acceptable).
What is WWV or WWVH
The first words spoken over the telephone.
What is "Watson, come here, I need help."?
First person to receive radio waves on the North American continent from Europe.
Who was Marconi?
Inventor of the incandescent light bulb
Who is Swan?
Greek letter that stands for the current gain of a bipolar transistor.
What is Beta?
Number of separate segments on a digital display that give all the numerals from 0 to 9 plus all the hex letters from A to F.
What is 7?
He perfected the steam engine.
Who is Watt?
The first household appliance powered by electricity.
What was the vacuum cleaner?
FM (frequency modulation) inventor
Who was Armstrong?
Logic integrated circuit family that can run from any supply voltage between +3 to +15 volts.
What is CMOS?
The color of a gallium arsenide LED.
Red
Person in Cornwall, England, who sent the first message across the Atlantic to Marconi in Canada.
Who is Fleming?