current electricity Flashcards
1
Q
what is electric current
A
it is the flow of charge
when electric charges move in a wire we say tat electric current is present
2
Q
what is a conductor
A
a matrial or substance that allows current to easily pass through it
3
Q
what is a a insulator
A
a matrial or substance that does not allow current to pass through it
4
Q
what is a electric circuit
A
it is the path taken by a current from the pier source , along a conductor , though an appliance and then back to the power source
