electric current and poetentil differences Flashcards
1
Q
what is an electric current
A
the flow of charge around a circuit
2
Q
charges ( negative electrons ) move from ______ to _______
A
negative to positive
3
Q
electrical current moves from
_______ to _______
A
positive to negative
4
Q
amount of current that flows out of fell is same as amount that ______ back ___
A
flows, in
5
Q
ammeter measures _______ _______ through circuit
A
electric current
6
Q
what is potential difference and what is it measured in
A
driving force that pushes charge around a circuit, volts
7
Q
potential difference is provided by _______ supply
A
power
8
Q
what does the volmeter measure
A
potential difference
