Cards in this guide (14)
How is energy transferred within the earth's atmosphere and throughout the oceans
Which type of lever always increases mechanical advantage
What does conservation of charge mean
charges can not be created or distroyed
How can transistors act as amplifiers or switches
by creating two circuit loops
What is the term for a semiconductor that is missing electrons
p-type semiconductor A semiconductor that is missing electrons
is called an electron hole.
What type of device is used to transform thermal energy into electrical energy
A generator. It uses the heat energy from burning gasoline or a
similar fuel.
Which of these most affects the strength of an electric field
distance between charged particles
Which type of waves are combination waves that occur at the boundary between two media
Which of these waves would you expect to have the greatest wave speed
a wave with long wavelength and high frequency.
Why do you use digital signals
What type of device is used to increase or decrease the voltage of an electric current
The device is called a "variac' and it is a type of transformer. It has a variable voltage ouput.
What is up these is not a material commonly found in magnets
Which term defines something that does not transfer thermal energy efficiently
Which of these would you expect to make a good insulator