Static Electricity Flashcards
How is static electricity formed
When two insulating materials are rubbed together, electrons will be scraped off one and dumbed on the other
This leaves a positive charge on one and a negative charge on the other
Which way the electrons are transferred depends on
The two materials involved
Do positive charges move
No, a positive charge is always caused by elections moving away
What happens if the charge increases on an object
So does the voltage, if the voltage gets big enough there’s a spark which jumps across the gap
How is lightning formed
Rain drops and ice bump together inside storm clouds, knocking off electrons and leaving the top of the cloud positively charged and the bottom of the cloud negative. This creates a huge voltage and a big spark
How is the build up of static caused
Caused by friction
