electric circuits Flashcards
1
Q
static electricity
A
when you rub two materials together and electrons rub off one and deposit on to the other
2
Q
electric current
A
flow of charge carried by electrons
3
Q
cell
A
push electrons around a complete circuit
4
Q
switch
A
turns on and off the current in a circuit
5
Q
indicator
A
emit light as a signal of current passing through
6
Q
diode
A
allows current through in one direction only
7
Q
ammeter
A
measures eletric current
8
Q
voltmeter
A
measures potential difference
9
Q
resistance
A
opposition to current flow
10
Q
series circuit
A
components are connected one after another
11
Q
parallel circuit
A
each component is connected across the supply
