Electric Current (Physics) 7 Flashcards
State what current and voltage is. Recognise common circuit symbols Draw circuit diagrams including series and parallel circuits.
1
Q
State the units and symbol for current
A
Amps (A)
2
Q
State the units and symbol for voltage
A
Volts (V)
3
Q
State the units and symbol for resistance
A
Ohms (Ω)
4
Q
What component is used to measure current?
A
Ammeter
5
Q
What component is used to measure voltage?
A
Voltmeter
6
Q
What component is used to measure resistance?
A
Resistor
7
Q
Give a description of current
A
Rate of flow of charge / electrons
8
Q
Give a description of voltage
A
Pushes current around circuit
9
Q
Give a description of resistance
A
Tell you how easy or difficult it is for electrons to pass through a component
10
Q
What does current do?
A
The current transfers energy from the battery to the components
