Numbers
300,000,000 m/s (or 186,000 mile/sec)
Which is the name for a positive electrode?
Cathode
What kind of batteries cannot easily be recycled currently?
Alkaline
He invented the first Lightbulb and promoted DC power
Thomas Edison
Voltage is measured in ___
Volts
What speed does sound travel?
750 mph or (343m/sec)
What determines the volume of a Sound Wave?
Amplitude
Where does sound make no noise?
Through empty space/vacuum
He promoted Alternating Current
Nicola Tesla
Current is measured in ___
Amps
High Energy Laser (HEL) can generate as much energy as ____
300W
What is an example of something that generates AC current?
A Power Plant
Which color of light has a longer wavelength Red or Blue?
Red
He experimented with the Voltaic Pile battery.
Alessandro Volta
Unit of Measure for Power
Watts
How many Volts is a standard AA Battery?
1.5 Volts
What type of speaker generates a Low Frequency sound?
Sub Woofer (or Woofer)
What type of Radio Waves are not blocked by buildings or landforms?
AM
He demonstrated that Electromagnetic waves exist
Heinrich Hertz
Frequency is measured in ___
Hertz
The human ear can hear between what two frequencies
20 Hz and 20kHz
What is a substance that carries current through a solution?
Electrolyte
Which waves have higher frequency? Radio waves or X-Rays?
X Rays
What two scientists invented the first dynamic driver?
Kellog and Rice
Unit of measure for Resistance
Ohms