Circuits
When circuits are open or closed does electricity flow through?
Closed
Is wood a insulator?
Yes it is an insulator
Does electricity travel at the speed of light or at the speed of sound?
The speed of light.
Who invented the lightbulb?
Thomas Edison
What invention was used to project light and hold electricity made by Thomas Edison?
The lightbulb
What does a series circuit do?
Allows only one path for electricity to flow.
Is glass a conductior?
No it is a insulator
How many fire flies are needed to equal a 60 watt bulb?
The combined energy of 25,000 fireflies is needed to equal a single 60-watt incandescent light bulb.
Who invented AC current?
Nikola Tesla
What type of current was invented by Nikola Tesla?
Alternating Current
What does a Parrell circuit do?
It gives the electricity multiple paths to follow.
Is copper a insulator?
No it is a conductor
Does the digatil clock on the microwave or heating your food take more energy.
The digital clock on a microwave often uses more electricity in a year than it takes to actually heat your food in it.
Who invented DC current?
Thomas Edison
What type of current was invented by Thomas Edison ?
Direct Current
What is a circuit
A closed path that allows electricity to flow
Are most metals conductors?
Yes most metals are conductors
How many kilowatts of electricity does a average usa home use.
The average U.S. home uses about 11,000 kilowatt hours of electricity per year.
Who invented the battery?
Allesondro Volta
Who made the electric motor?
Michal faraday
What are the two types of circuits?
Series and Parrell
Is alunimium a insulator?
No it is a conductor
Who named it electricity ?
Sir Thomas Browne
Who invented the lightning rod?
Benjamin Franklin
Who mad flourecent lights?
Nikola Tesla