Electricity Flashcards
1
Q
what is current?
A
the rate of flow of charge round a circuit
2
Q
what is voltage?
A
what drives the current round the circuit
3
Q
what is the unit for current?
A
amps , A
4
Q
What is the unit for voltage?
A
volts ,V
5
Q
what happens if you increase the voltage in a circuit?
A
more current will flow
6
Q
what happens if you decrease the voltage in a circuit?
A
less current will flow.
7
Q
what does an ammeter do?
A
measured amps
8
Q
where does an ammeter need to be placed in a circuit?
A
in series in the main circuit
9
Q
what does a voltmeter do?
A
measure voltage
